Themed collection Energy and Environmental Science Recent Review Articles
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The significance of detecting imperceptible physical/chemical changes/reactions in lithium-ion batteries: a perspective
The lifetime of Li-ion batteries (LIBs) is highly dependent on the imperceptible physical/chemical changes/reactions that occur on/between the electrodes and electrolyte.
Energy Environ. Sci., 2022,15, 2329-2355
https://doi.org/10.1039/D2EE01020H
The quest for the holy grail of solid-state lithium batteries
Tremendous improvements in the Li+ conductivity of inorganic solid electrolytes over the past 15 years have renewed interest in developing solid state batteries, with a particular focus on realizing the lithium metal anode.
Energy Environ. Sci., 2022,15, 1840-1860
https://doi.org/10.1039/D2EE00842D
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Layered 2D PtX2 (X = S, Se, Te) for the electrocatalytic HER in comparison with Mo/WX2 and Pt/C: are we missing the bigger picture?
A critical perspective that questions the use of PtX2 for the HER when we have a better performing Pt/C while analysing the potential ways in which PtX2 can actually be better than Pt/C.
Energy Environ. Sci., 2022,15, 1461-1478
https://doi.org/10.1039/D1EE03516A
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Perspective on the hydrogen economy as a pathway to reach net-zero CO2 emissions in Europe
The envisioned role of hydrogen in the energy transition – or the concept of a hydrogen economy – has varied through the years.
Energy Environ. Sci., 2022,15, 1034-1077
https://doi.org/10.1039/D1EE02118D
Designing wearable microgrids: towards autonomous sustainable on-body energy management
Inspired by traditional energy-autonomous microgrids, this perspective summarizes the key design and energy-budgeting considerations and outlook of integrated wearable systems.
Energy Environ. Sci., 2022,15, 82-101
https://doi.org/10.1039/D1EE03113A
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Electrocatalytic CO2 reduction: role of the cross-talk at nano-carbon interfaces
CO2RR is enhanced by the unique role of carbon nanostructures cooperating with metal and metal-oxide active phases to leverage charge transfer, reagent diffusion and structural stability, regulating a successful asset of interfacial interactions.
Energy Environ. Sci., 2021,14, 5816-5833
https://doi.org/10.1039/D1EE00228G
Intelligence-assisted predesign for the sustainable recycling of lithium-ion batteries and beyond
Intelligence-assisted predesign for economically and environmentally sustainable recycling of spent lithium-ion batteries and beyond.
Energy Environ. Sci., 2021,14, 5801-5815
https://doi.org/10.1039/D1EE01812D
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Addressing energy storage needs at lower cost via on-site thermal energy storage in buildings
Energy storage needs to support commercial and residential buildings in the U.S. in 2050 for various 100% renewable energy scenarios.
Energy Environ. Sci., 2021,14, 5315-5329
https://doi.org/10.1039/D1EE01992A
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Strategies towards enabling lithium metal in batteries: interphases and electrodes
Perspective on recent improvements in experiment and theory towards realizing lithium metal electrodes with liquid electrolytes.
Energy Environ. Sci., 2021,14, 5289-5314
https://doi.org/10.1039/D1EE00767J
Seawater electrolysis for hydrogen production: a solution looking for a problem?
This study assesses research and development needs for direct seawater electrolysis from energy, cost and environmental aspects and presents a forward-looking perspective on future R&D priorities in desalination and electrolysis technologies.
Energy Environ. Sci., 2021,14, 4831-4839
https://doi.org/10.1039/D1EE00870F
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Towards circular carbo-chemicals – the metamorphosis of petrochemicals
The petrochemical industry must transition into a circular carbo-chemical industry to respond to three main challenges: shifting hydrocarbon stock, climate change and circular economy.
Energy Environ. Sci., 2021,14, 4358-4376
https://doi.org/10.1039/D1EE00532D
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Durability of anion exchange membrane water electrolyzers
Understanding the durability-limiting factors of anion exchange membrane water electrolyzers operating under pure water-, KOH- and K2CO3-fed conditions.
Energy Environ. Sci., 2021,14, 3393-3419
https://doi.org/10.1039/D0EE04086J
Solar fuels and feedstocks: the quest for renewable black gold
Photocatalysis is capable of C–C, C–O, and C–N bond transformations and has the potential to drive light-activated feedstock chemical production.
Energy Environ. Sci., 2021,14, 1402-1419
https://doi.org/10.1039/D0EE03300F
Optimisation of sodium-based energy storage cells using pre-sodiation: a perspective on the emerging field
This perspective discusses how the tool of pre-sodiation can improve sodium-based electrochemical cells; the pros and cons of available pre-sodiation methods are then evaluated.
Energy Environ. Sci., 2021,14, 1380-1401
https://doi.org/10.1039/D0EE02782K
Reducing cobalt from lithium-ion batteries for the electric vehicle era
This perspective discusses the challenges to, and strategies for, the commercially viable development of these three classes of cathodes for LIBs.
Energy Environ. Sci., 2021,14, 844-852
https://doi.org/10.1039/D0EE03581E
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Enabling large-scale hydrogen storage in porous media – the scientific challenges
This article identifies and discusses the scientific challenges of hydrogen storage in porous media for safe and efficient large-scale energy storage to enable a global hydrogen economy.
Energy Environ. Sci., 2021,14, 853-864
https://doi.org/10.1039/D0EE03536J
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Laboratory protocols for measuring and reporting the performance of luminescent solar concentrators
Recommendation of standardised experiments for adoption by all researchers on luminescent solar concentrators to unify reporting and legitimise the field.
Energy Environ. Sci., 2021,14, 293-301
https://doi.org/10.1039/D0EE02967J
Energy transfer in ternary blend organic solar cells: recent insights and future directions
Resonance energy transfer in ternary blend organic solar cells is discussed by drawing parallels from natural photosynthetic proteins.
Energy Environ. Sci., 2021,14, 302-319
https://doi.org/10.1039/D0EE03170D
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Guidelines for performing lignin-first biorefining
With these guidelines, we aim to unite the lignin-first biorefining research field around best practices for performing or reporting feedstock analysis, reactor design, catalyst performance, and product yields.
Energy Environ. Sci., 2021,14, 262-292
https://doi.org/10.1039/D0EE02870C
Pseudo-solid-state electrolytes utilizing the ionic liquid family for rechargeable batteries
This review summarises the properties and electrochemical performance of pseudo-solid-state electrolytes prepared using ionic liquids, along with insights into design strategies to improve their application in various secondary batteries.
Energy Environ. Sci., 2021,14, 5834-5863
https://doi.org/10.1039/D1EE02567H
Porous crystalline frameworks for thermocatalytic CO2 reduction: an emerging paradigm
A comprehensive and critical analysis of thermocatalytic CO2 reduction over heterogeneous catalysts derived from porous crystalline frameworks.
Energy Environ. Sci., 2021,14, 320-352
https://doi.org/10.1039/D0EE01882A
Strategies to activate inert nitrogen molecules for efficient ammonia electrosynthesis: current status, challenges, and perspectives
This review emphasizes the strategies to activate N2 molecules in view of microscopic electron effects, macroscopic external field effects, local microenvironment regulation, and characterization techniques.
Energy Environ. Sci., 2022,15, 2776-2805
https://doi.org/10.1039/D2EE00358A
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Hydrogen liquefaction: a review of the fundamental physics, engineering practice and future opportunities
Hydrogen is emerging as one of the most promising energy carriers for a decarbonised global energy system.
Energy Environ. Sci., 2022,15, 2690-2731
https://doi.org/10.1039/D2EE00099G
Strategies in cell design and operation for the electrosynthesis of ammonia: status and prospects
Our review manuscript based on 190 references gives a status update regarding all the cell design types currently in use, and discusses the impact of diverse cell components (cathode catalyst layer, membrane, electrodes) and operating conditions on NH3 electrosynthesis.
Energy Environ. Sci., 2022,15, 2259-2287
https://doi.org/10.1039/D2EE00953F
PEM Fuel cell and electrolysis cell technologies and hydrogen infrastructure development – a review
This review presents the current status of PEM fuel cell & electrolysis cell technologies, along with the H2 infrastructure, describes their similarities & differences in structures, materials, and fundamentals, and outlines challenges/opportunities.
Energy Environ. Sci., 2022,15, 2288-2328
https://doi.org/10.1039/D2EE00790H
Perovskites for protonic ceramic fuel cells: a review
This review rearranges the most important fundamentals in PCFCs based on perovskite-type oxides, provides recent advances in the rational design of perovskite materials, and proposes some perspectives in the research of PCFCs.
Energy Environ. Sci., 2022,15, 2200-2232
https://doi.org/10.1039/D2EE00132B
Flexible solid-state hybrid supercapacitors for the internet of everything (IoE)
The review provides the recent progress of flexible solid-state hybrid supercapacitors for portable and wearable energy storage devices in terms of design and performance with their state-of-the-art commercialized products for IoE applications.
Energy Environ. Sci., 2022,15, 2233-2258
https://doi.org/10.1039/D1EE03567C
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Historical development and novel concepts on electrolytes for aqueous rechargeable batteries
In battery systems, aqueous electrolytes are superior in ionic conductivity, interfacial wettability, safety and environmentally benign compared to organic liquids, polymers, inorganic solid-state and ionic liquid electrolytes.
Energy Environ. Sci., 2022,15, 1805-1839
https://doi.org/10.1039/D2EE00004K
Catalytic selective ring opening of polyaromatics for cleaner transportation fuels
Selective ring opening (SRO) catalysts transform polycyclic molecules in low grade oil to produce cleaner burning diesel fuel. Mechanistic insight, structure-reactivity relationships, catalyst design, and future opportunities for pyrolysis oil refining from municipal solid waste are discussed.
Energy Environ. Sci., 2022,15, 1760-1804
https://doi.org/10.1039/D1EE02363B
Challenges and advances in wide-temperature rechargeable lithium batteries
Building rechargeable lithium batteries for wide-temperature applications requires us to investigate the battery failure mechanism at low/high temperature, design advanced electrode/electrolyte materials, and optimize the battery management system.
Energy Environ. Sci., 2022,15, 1711-1759
https://doi.org/10.1039/D1EE03292E
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Direct air capture: process technology, techno-economic and socio-political challenges
This comprehensive review appraises the state-of-the-art in direct air capture materials, processes, economics, sustainability, and policy, to inform, challenge and inspire a broad audience of researchers, practitioners, and policymakers.
Energy Environ. Sci., 2022,15, 1360-1405
https://doi.org/10.1039/D1EE03523A
Evaluating the effectiveness of in situ characterization techniques in overcoming mechanistic limitations in lithium–sulfur batteries
Li–S batteries hold great promise for electric vehicles but complex reaction mechanisms during operation have, to date, prevented commercialization. In situ techniques provide insights that may overcome these limitations.
Energy Environ. Sci., 2022,15, 1423-1460
https://doi.org/10.1039/D1EE03396D
Carrier grain boundary scattering in thermoelectric materials
This review gives a comprehensive understanding of carrier grain boundary scattering in thermoelectric materials. Moreover, the difference between grain boundary scattering and ionized impurity scattering and how to distinguish them are highlighted.
Energy Environ. Sci., 2022,15, 1406-1422
https://doi.org/10.1039/D1EE03802H
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Toward low-cost biological and hybrid biological/catalytic conversion of cellulosic biomass to fuels
Hybrid processes, featuring biological conversion of lignocellulose to small molecules followed by chemo-catalytic conversion to larger molecules suitable for difficult-to-electrify transport modes, are a promising route to biomass-derived fuels in demand for climate stabilization.
Energy Environ. Sci., 2022,15, 938-990
https://doi.org/10.1039/D1EE02540F
Chemical stability of sulfide solid-state electrolytes: stability toward humid air and compatibility with solvents and binders
Sulfide solid electrolyte (S-SE) based all-solid-state batteries (ASSBs) have received particular attention due to their outstanding ionic conductivity and higher energy density over conventional lithium-ion batteries.
Energy Environ. Sci., 2022,15, 991-1033
https://doi.org/10.1039/D1EE03032A
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Solar fuels: research and development strategies to accelerate photocatalytic CO2 conversion into hydrocarbon fuels
Photocatalytic CO2 conversion is vital technology to realize global carbon neutrality and generate future energy supplies. This review proposes fundamentals, challenges, strategies, and prospects for photocatalytic CO2 conversion research.
Energy Environ. Sci., 2022,15, 880-937
https://doi.org/10.1039/D1EE02714J
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Liquid electrolyte development for low-temperature lithium-ion batteries
A review on liquid electrolyte design for LIBs operating under low-temperature (<0 °C) conditions. Covers various processes that determine performance below 0 °C and recent literature on electrolyte-based strategies to improve said performance.
Energy Environ. Sci., 2022,15, 550-578
https://doi.org/10.1039/D1EE01789F
Assessing the value of electric vehicle managed charging: a review of methodologies and results
Electric vehicle managed charging can benefit all consumers by supporting grid planning, operation, and reliability – especially complementing high-renewable systems.
Energy Environ. Sci., 2022,15, 466-498
https://doi.org/10.1039/D1EE02206G
Strategies of regulating Zn2+ solvation structures for dendrite-free and side reaction-suppressed zinc-ion batteries
This review gives a comprehensive introduction of the solvation structure regulation strategies for dendrite-free and side reaction-suppressed zinc-ion batteries, and further proposes the potential directions and perspectives for further research.
Energy Environ. Sci., 2022,15, 499-528
https://doi.org/10.1039/D1EE03377H
Panoramic insights into semi-artificial photosynthesis: origin, development, and future perspective
This review comprehensively elaborates the modes of semi-artificial photosynthetic systems (SAPSs) based on the different combinations of photosensitizers and catalytic centers for energy and environmental application.
Energy Environ. Sci., 2022,15, 529-549
https://doi.org/10.1039/D1EE03094A
Crystallization kinetics modulation and defect suppression of all-inorganic CsPbX3 perovskite films
The recent research progress in film quality optimization strategies and the investigations of the film formation mechanism in all-inorganic CsPbX3 perovskite solar cells are systematically reviewed.
Energy Environ. Sci., 2022,15, 413-438
https://doi.org/10.1039/D1EE03192A
High-temperature polyimide dielectric materials for energy storage: theory, design, preparation and properties
Dielectric capacitors with a high operating temperature applied in electric vehicles, aerospace and underground exploration require dielectric materials with high temperature resistance and high energy density.
Energy Environ. Sci., 2022,15, 56-81
https://doi.org/10.1039/D1EE03186D
Development of encapsulation strategies towards the commercialization of perovskite solar cells
Systematic encapsulation of PVSK solar cells is comprehensively reviewed by considering external encapsulation against H2O/O2 intrusion, along with internal encapsulation to improve the intrinsic stabilities of their constituting layers.
Energy Environ. Sci., 2022,15, 13-55
https://doi.org/10.1039/D1EE02882K
Current density in solar fuel technologies
Current density as figure-of-merit to analyze solar-to-fuel direct conversion devices for H2O, CO2 and N2 utilization.
Energy Environ. Sci., 2021,14, 5760-5787
https://doi.org/10.1039/D1EE02512K
Assessment and progress of polyanionic cathodes in aqueous sodium batteries
An assessment of the latest ground-breaking advances of polyanionic materials as cathodes for aqueous sodium-ion batteries is given. Future research directions and challenges on material development are provided.
Energy Environ. Sci., 2021,14, 5788-5800
https://doi.org/10.1039/D1EE01392K
Wide-bandgap organic–inorganic hybrid and all-inorganic perovskite solar cells and their application in all-perovskite tandem solar cells
We summarize the progress in organic–inorganic hybrid and all-inorganic wide-Eg perovskite solar cells. Key challenges and effective strategies are discussed, followed by applications in tandems. We outline perspectives to design superior devices.
Energy Environ. Sci., 2021,14, 5723-5759
https://doi.org/10.1039/D1EE01562A
Regulation methods for the Zn/electrolyte interphase and the effectiveness evaluation in aqueous Zn-ion batteries
The working principles of interphase strategies to enhance Zn reversibility are discussed. The effectiveness evaluation techniques, including electrochemical methods, characterization measurements, and computational simulations, are proposed.
Energy Environ. Sci., 2021,14, 5669-5689
https://doi.org/10.1039/D1EE02021H
Solution-processed perovskite thin-films: the journey from lab- to large-scale solar cells
This review explores perovskite crystallization in scalable deposition techniques, including blade, slot-die, spray coating, and inkjet printing.
Energy Environ. Sci., 2021,14, 5690-5722
https://doi.org/10.1039/D1EE02018H
Natural gas hydrate resources and hydrate technologies: a review and analysis of the associated energy and global warming challenges
The roles of natural gas hydrates and their related technologies in the future energy supply, carbon cycle and climate change mitigation.
Energy Environ. Sci., 2021,14, 5611-5668
https://doi.org/10.1039/D1EE02093E
Integration of redox cocatalysts for artificial photosynthesis
This review summarizes the design principle, emerging configurations, and photocatalytic applications of redox cocatalysts, and offers insights and perspectives on this topic.
Energy Environ. Sci., 2021,14, 5260-5288
https://doi.org/10.1039/D1EE02359D
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Review and outlook on high-entropy alloys for hydrogen storage
High-entropy alloys (HEAs) are a new class of alloys that has been investigated for hydrogen storage. Here we discuss the design, synthesis, and hydrogen storage properties of HEAs studied to date.
Energy Environ. Sci., 2021,14, 5191-5227
https://doi.org/10.1039/D1EE01543E
Atomic heterointerface engineering overcomes the activity limitation of electrocatalysts and promises highly-efficient alkaline water splitting
This review summarizes the recent progress of atomic heterointerface engineering to overcome the activity limitation of electrocatalysts for water splitting and elaborates its electron effect and ensemble effect, etc.
Energy Environ. Sci., 2021,14, 5228-5259
https://doi.org/10.1039/D1EE02105B
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Lessons learned from spiro-OMeTAD and PTAA in perovskite solar cells
Organic semiconductors have become essential parts of thin-film electronic devices, particularly as hole transport layers in perovskite solar cells where they represent one of the major bottlenecks to further enhancements in stability and efficiency.
Energy Environ. Sci., 2021,14, 5161-5190
https://doi.org/10.1039/D1EE02095A
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Battery cost forecasting: a review of methods and results with an outlook to 2050
This review analyzes 53 publications that forecast battery cost and provides transparency on methodological and technological details.
Energy Environ. Sci., 2021,14, 4712-4739
https://doi.org/10.1039/D1EE01530C
Status and prospect of in situ and operando characterization of solid-state batteries
Advanced characterization of solid state batteries is necessary to uncover material transformation pathways at buried solid-solid interfaces.
Energy Environ. Sci., 2021,14, 4672-4711
https://doi.org/10.1039/D1EE00638J
Roles and opportunities for microbial anaerobic oxidation of methane in natural and engineered systems
Anaerobic oxidation of methane (AOM) is a crucial bioprocess in global methane mitigation. Adoption of AOM in an engineered system provides an opportunity for the development of methane-based biotechnologies.
Energy Environ. Sci., 2021,14, 4803-4830
https://doi.org/10.1039/D1EE00708D
Temporal-spatial-energy resolved advance multidimensional techniques to probe photovoltaic materials from atomistic viewpoint for next-generation energy solutions
Advanced characterization tools capable of probing material properties multi-dimensionally at high spatial, temporal and energy resolutions are presented.
Energy Environ. Sci., 2021,14, 4760-4802
https://doi.org/10.1039/D1EE01165K
Decoupled electrochemical water-splitting systems: a review and perspective
Decoupled electrochemical water splitting systems separate the hydrogen- and oxygen-evolution reactions spatially, temporally, or both, resulting in modular, flexible, and intrinsically safe electrolysis.
Energy Environ. Sci., 2021,14, 4740-4759
https://doi.org/10.1039/D1EE01226F
Lattice oxygen redox chemistry in solid-state electrocatalysts for water oxidation
Lattice oxygen redox chemistry in solid-state electrocatalysts rationalizes the remarkable OER activity by lattice oxygen-mediated mechanism. Here we elucidate the fundamental principle of this mechanism and summarize recently related developments.
Energy Environ. Sci., 2021,14, 4647-4671
https://doi.org/10.1039/D1EE01277K
Phase change material-integrated latent heat storage systems for sustainable energy solutions
This review highlights the broad and critical role of latent heat storage in sustainable energy systems including solar-thermal storage, electro-thermal storage, waste heat storage and thermal regulations.
Energy Environ. Sci., 2021,14, 4268-4291
https://doi.org/10.1039/D1EE00527H
Recent advanced skeletons in sodium metal anodes
The “host” modification strategy can guide homogeneous Na deposition, suppress dendrite formation and mitigate volume fluctuation. This work reviews the research progress of various skeleton materials for sodium metal anodes in recent years.
Energy Environ. Sci., 2021,14, 4318-4340
https://doi.org/10.1039/D1EE01341F
Progress and prospects of the morphology of non-fullerene acceptor based high-efficiency organic solar cells
This review summarizes the important morphological characteristics and recent research progress of non-fullerene acceptor based organic solar cells, as well as provides insights and perspectives on this topic.
Energy Environ. Sci., 2021,14, 4341-4357
https://doi.org/10.1039/D1EE01220G
Liquid metal batteries for future energy storage
A succinct but critical survey of the recent progress in LMBs is presented, comprising their intriguing electrode chemistries, underlying electrochemical behaviors with various electrolytes, and sophisticated electrode–electrolyte interfaces in the context of the most recent research and development.
Energy Environ. Sci., 2021,14, 4177-4202
https://doi.org/10.1039/D1EE00531F
Recent advances and challenges of inverted lead-free tin-based perovskite solar cells
Here, recent developments and future perspectives of inverted p–i–n Sn-based PSCs are reviewed, highlighting the roadblocks to progress and opportunities for future work.
Energy Environ. Sci., 2021,14, 4292-4317
https://doi.org/10.1039/D1EE00890K
Molecular engineering of carbonyl organic electrodes for rechargeable metal-ion batteries: fundamentals, recent advances, and challenges
A concise review discussing four molecular engineering strategies for a rational design of carbonyl electrodes is provided, encompassing key fundamentals, recent advances, and challenges for practical organic batteries.
Energy Environ. Sci., 2021,14, 4228-4267
https://doi.org/10.1039/D1EE00419K
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The role of supercritical carbon dioxide for recovery of shale gas and sequestration in gas shale reservoirs
This review summarizes the potential and challenges of supercritical carbon dioxide (SC-CO2) enhanced shale gas recovery and sequestration in shale reservoirs.
Energy Environ. Sci., 2021,14, 4203-4227
https://doi.org/10.1039/D0EE03648J
Materials engineering for adsorption and catalysis in room-temperature Na–S batteries
Room-temperature sodium–sulfur (RT Na–S) batteries combine abundant natural resources, low cost, and outstanding energy density, thus attracting much research attention.
Energy Environ. Sci., 2021,14, 3757-3795
https://doi.org/10.1039/D1EE01349A
Role of oxygen-bound reaction intermediates in selective electrochemical CO2 reduction
The review presents the important role of oxygen-bound intermediates in directing the selectivity of electrochemical CO2 reduction by considering available theoretical calculations, electrochemical measurements and operando spectroscopy observations.
Energy Environ. Sci., 2021,14, 3912-3930
https://doi.org/10.1039/D1EE00740H
Engineering electrocatalyst nanosurfaces to enrich the activity by inducing lattice strain
Electrocatalysis undeniably offers noteworthy improvements to future energy conversion and storage technologies, such as fuel cells, water electrolyzers, and metal–air batteries.
Energy Environ. Sci., 2021,14, 3717-3756
https://doi.org/10.1039/D1EE00074H
Comprehensive understanding of the roles of water molecules in aqueous Zn-ion batteries: from electrolytes to electrode materials
This review summarizes the influences of water molecules during the energy storage process from the perspectives of the electrolyte, Zn anode, and cathode materials, including the basic theory, modification methods, and practical applications.
Energy Environ. Sci., 2021,14, 3796-3839
https://doi.org/10.1039/D1EE00030F
About this collection
Welcome to our rolling collection of Review and Perspective articles published in Energy & Environmental Science