Themed collection 2021 Energy and Environmental Science Review Articles
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.
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.
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.
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.
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.
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 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.
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.
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.
Up-scalable emerging energy conversion technologies enabled by 2D materials: from miniature power harvesters towards grid-connected energy systems
Emerging energy harvesters enabled by 2D materials distributed across different locations of an energy sustainable city, providing power for miniature IoT devices and contributing in on-grid electricity generation.
Electrochemical energy storage devices working in extreme conditions
This review provides key scientific points and critical barriers for electrochemical ESSs under various extreme conditions, and corresponding rational strategies and promising directions to maintain satisfactory performance.
Pushing commercialization of perovskite solar cells by improving their intrinsic stability
This review provides a comprehensive understanding on degradation mechanisms related to intrinsic properties of perovskites and effective strategies for pushing commercialization of perovskite photovoltaic are summarized.
Accelerating organic solar cell material's discovery: high-throughput screening and big data
This review article presents the state-of-the-art in high-throughput computational and experimental screening routines with application in organic solar cells, including materials discovery, device optimization and machine-learning algorithms.
Toward highly efficient and stable Sn2+ and mixed Pb2+/Sn2+ based halide perovskite solar cells through device engineering
Device engineering with various strategies is discussed in detail to improve the performance and stability of Sn2+-based perovskite solar cells.
All-solid-state lithium batteries enabled by sulfide electrolytes: from fundamental research to practical engineering design
This review summarizes the latest fundamental research advances on all-solid-state lithium batteries with sulfide electrolytes and provides an energy-density-oriented roadmap for practical solid-state pouch cells.
Passivation and process engineering approaches of halide perovskite films for high efficiency and stability perovskite solar cells
Recent advances on passivation and morphology engineering approaches adopted to obtain high efficiency and stability in perovskite solar cells are thoroughly reviewed.
High-entropy energy materials: challenges and new opportunities
An overview of high-entropy materials for energy applications, including H2 catalysis and storage, CO2 conversion, O2 catalysis and electrochemical energy storage, is given and the challenges and opportunities within this field are discussed.
Towards the digitalisation of porous energy materials: evolution of digital approaches for microstructural design
The digital transformation empowered by artificial intelligence will create huge opportunities for the porous energy materials research community.
Noble-metal single-atoms in thermocatalysis, electrocatalysis, and photocatalysis
This review summarizes the recent advances about noble-metal single-atom catalysts in thermocatalysis, electrocatalysis, and photocatalysis.
Non-carbon-supported single-atom site catalysts for electrocatalysis
Non-carbon supported SACs were classified into eight categories based on the nature of their substrates for the first time, and their corresponding anchoring and stabilization mechanisms have been systematically summarized and discussed.
Pyrolysis-free polymer-based oxygen electrocatalysts
This review summarizes the fundamental and recent progress in optimizing pyrolysis-free polymer-based oxygen electrocatalysts with clear structure–performance relationships. The challenges and future directions in this field are also discussed.
Ion regulation of ionic liquid electrolytes for supercapacitors
As a member of the liquid electrolyte family, ionic liquids (ILs) possess distinctive chemical and electrochemical stability, offering a pathway to realize supercapacitors (SCs) with both outstanding energy density and high safety.
Palladium alloys used as electrocatalysts for the oxygen reduction reaction
This review provides an overview on Pd-based electrocatalysts for the oxygen reduction reaction (ORR) through the scientometric analysis and critical review methods. The main focus is on activity regulation and synthetic methods.
A mechanistic study of electrode materials for rechargeable batteries beyond lithium ions by in situ transmission electron microscopy
This article summarizes the real-time information on electrodes, electrolytes and their interfaces of various rechargeable battery systems including heavier alkali ion, lithium-sulfur, alkali-metal oxygen and all-solid-state batteries made by in situ transmission electron microscopy.
In situ polymerization process: an essential design tool for lithium polymer batteries
A comprehensive review article addressing the prospects of the in situ polymerization strategy as a tool for surpassing the challenges of electrode|electrolyte interfaces & interphases in lithium polymer batteries.
Atomic-level insight into reasonable design of metal-based catalysts for hydrogen oxidation in alkaline electrolytes
Systematic understanding of the crucial roles of the atomic coordination, stacking and arrangement of metal-based electrocatalysts in the alkaline HOR process is provided.
Passive, high-efficiency thermally-localized solar desalination
This review summarizes recent advances in passive thermally-localized solar desalination and provides a roadmap for more efficient, reliable, and commercially feasible solar desalination technologies.
Transition metal-based bimetallic MOFs and MOF-derived catalysts for electrochemical oxygen evolution reaction
The review summarizes transition metal-based bimetallic MOFs and their derived materials as electrocatalytic materials for the OER. The mechanisms of the OER as probed by DFT calculation and in situ characterization techniques are also discussed.
Gas diffusion electrodes (GDEs) for electrochemical reduction of carbon dioxide, carbon monoxide, and dinitrogen to value-added products: a review
Opportunities, challenges and design criteria associated with Gas diffusion electrodes (GDEs) for various electrochemical applications.
Perfecting electrocatalysts via imperfections: towards the large-scale deployment of water electrolysis technology
A tuned electronic structure favors the electrocatalytic water splitting reaction via accelerating the reaction kinetics, changing the rate-determining step, and optimizing the adsorption energy for intermediates; this is achieved via intentionally incorporating imperfections into the crystal lattices of electrocatalysts.
A review on the stability of inorganic metal halide perovskites: challenges and opportunities for stable solar cells
The composition, light, moisture and oxygen all affect the stability of metal halide inorganic perovskites, whose degradation mechanisms are significantly different from those of hybrid perovskites.
Pyrolyzed M–Nx catalysts for oxygen reduction reaction: progress and prospects
This review showcases the recent progress in understanding and designing M–Nx/C electrocatalysts towards the ORR, aiming to provide some guidelines for their practical applications in PEMFCs.
Potassium-ion batteries: outlook on present and future technologies
The limited resources and uneven distribution of lithium stimulate strong motivation to develop new rechargeable potassium-ion batteries that use alternative charge carriers.
Life cycle assessment of carbon dioxide removal technologies: a critical review
This review provides a perspective on how to conduct future Life Cycle Assessment (LCA) studies of carbon dioxide removal technologies in a consistent way avoiding common mistakes, which should be addressed to aid informed decision making.
Emerging dynamic structure of electrocatalysts unveiled by in situ X-ray diffraction/absorption spectroscopy
This review proposed dynamic structural reconstruction/transformation routes for OER and CO2RR electrocatalysts based on in situ X-ray diffraction/absorption spectroscopy.
Recent progress on pristine metal/covalent-organic frameworks and their composites for lithium–sulfur batteries
Recent advances of MOFs/COFs in research towards Li–S batteries in terms of cathodes, electrolytes, separators, and Li anodes have been fully investigated.
Power generation for wearable systems
The mechanisms, figures of merit, and systems for wearable power generation are reviewed in this article. Future perspectives lie in breakthrough technologies of fiber electronics, fully printable, flexible SoC, and IoT-enabled self-awareness systems.
Two-birds-one-stone: multifunctional supercapacitors beyond traditional energy storage
A comprehensive overview on the recent progress of multifunctional supercapacitors which combine energy storage capability with other functions.
Untangling the respective effects of heteroatom-doped carbon materials in batteries, supercapacitors and the ORR to design high performance materials
Heteroatom-doped carbon materials (HDCMs) have been widely studied as some of the most prominent material candidates for use in a wide range of applications, such as batteries, supercapacitors (SCs), and the oxygen reduction reaction (ORR).
Engineering electrodes and metal halide perovskite materials for flexible/stretchable perovskite solar cells and light-emitting diodes
Perspectives and strategies of flexible/stretchable perovskite optoelectronics are suggested for portable or wearable applications.
Polyoxometalates (POMs): from electroactive clusters to energy materials
Polyoxometalates as anionic molecular metal oxides clusters with open frameworks and rich redox chemistry have outstanding versatility in energy conversion and storage research.
Two-dimensional matrices confining metal single atoms with enhanced electrochemical reaction kinetics for energy storage applications
Cutting-edge applications involving the use of SAs@2D hybrids in various rechargeable batteries and related kinetics amelioration mechanisms are summarized in this review.
Advancing photoreforming of organics: highlights on photocatalyst and system designs for selective oxidation reactions
This review appraises recent literature and provides guidelines for the rational design of photocatalytic system for selective photoreforming reaction.
Heterogeneous catalysts for CO2 hydrogenation to formic acid/formate: from nanoscale to single atom
This review provides an overview of advances on constructing heterogeneous nanostructured and single atom catalysts for CO2 hydrogenation to formic acid/formate. The main focus is placed on structure–activity correlations and mechanistic insights.
Recent progress in tin-based perovskite solar cells
This work provides a comprehensive review on strategies like reducing agents, morphology control, compositional engineering and device engineering for fabricating efficient and stable tin-based perovskite solar cells.
Strategies to suppress hydrogen evolution for highly selective electrocatalytic nitrogen reduction: challenges and perspectives
This review underlines the strategies to suppress HER for selective NRR in view of proton-/electron-transfer kinetics, thermodynamics, and electrocatalyst design on the basis of deep understanding for NRR mechanisms.
Enabling storage and utilization of low-carbon electricity: power to formic acid
Power to formic acid via CO2 hydrogenation or electrochemical CO2 reduction has great potential to enable a complete cycle with formic acid to power for the storage and utilization of low-carbon electricity at a scale of multi-gigatonnes per year.
Biomass-based materials for green lithium secondary batteries
This review summarizes the employment of different biomass materials for green lithium secondary batteries.
Recent advances in ion selectivity with capacitive deionization
Fishing ions: this review provides a comprehensive analysis of different approaches in utilizing capacitive deionization (CDI) for selective ion separations and ion removal.
Regulating the oxidation state of nanomaterials for electrocatalytic CO2 reduction
Recent advances in regulating the oxidation state of nanocatalysts for enhanced CO2 electroreduction has been comprehensively reviewed.
Challenges in the use of hydrogen for maritime applications
Hydrogen is reviewed as a possible new marine fuel, with emphasis on the challenges concerning sustainable production, on board use and safety and specifically the challenges concerning hydrogen storage.
Engineering nanoreactors for metal–chalcogen batteries
This review examines the latest research on the design and engineering of nanoreactors for application in metal–chalcogen batteries.
Electrochemical carbon dioxide capture to close the carbon cycle
An overview of the state-of-the-art for capturing CO2via electrochemical routes.
Fiber-based thermoelectrics for solid, portable, and wearable electronics
This review comprehensively summarizes the recent progress of fiber-based thermoelectric materials and devices for solid, portable, and wearable electronics.
Recent advances in innovative strategies for the CO2 electroreduction reaction
This review underlines innovative design strategies for CO2RR system, also distinctively presents the current status and new trend.
Recent progress in electrochemical synthesis of ammonia from nitrogen: strategies to improve the catalytic activity and selectivity
A systematic summary of strategies to improve the performance of electrochemical NRR catalysts and NRR catalytic systems.
Recent advances and perspectives on thin electrolytes for high-energy-density solid-state lithium batteries
This review summarizes the recent progress of thin solid-state electrolytes for high energy-density solid-state lithium batteries.
Electro-chemo-mechanics of lithium in solid state lithium metal batteries
This review summarizes the impact of the electro-chemo-mechanics of lithium on dendrites and interfaces in solid state lithium metal batteries.
Toward commercial-level mass-loading electrodes for supercapacitors: opportunities, challenges and perspectives
This review decouples the fundamental mechanisms and bottleneck issues toward commercial-level mass-loading supercapacitors. Also, the involved impressive strategies and forward-looking perspectives are summarized and clarified.
Interlayers for non-fullerene based polymer solar cells: distinctive features and challenges
The interlayer materials used in non-fullerene based solar cells are reviewed and the peculiar mechanisms operating in these systems are discussed.
Machine learning for high performance organic solar cells: current scenario and future prospects
In this review, current research status about the machine learning use in organic solar cell research is reviewed. We have discussed the challenges in anticipating the data driven material design.
Photovoltatronics: intelligent PV-based devices for energy and information applications
Electrification and digitization are two significant trends in the energy sector. Photovoltatronics unites these trends by combining solar electricity generation and information communication in PV-based intelligent energy agents.
Emerging perovskite quantum dot solar cells: feasible approaches to boost performance
This review comprehensively summarizes the advances of emerging perovskite quantum dot solar cells, and various strategies applied to improve the device performance of PQDSCs are discussed.
Epitaxial halide perovskite-based materials for photoelectric energy conversion
A review on epitaxial perovskite structures from material combinations and structural motifs to photoelectric energy conversion applications.
Photocatalytic and electrocatalytic transformations of C1 molecules involving C–C coupling
Photocatalysis and electrocatalysis have been emerging as important methods for the transformation of abundant C1 molecules into high-value C2+ compounds.
Sodium transition metal oxides: the preferred cathode choice for future sodium-ion batteries?
This work provides guidance on controlling anionic redox activity and finding novel high-capacity transition metal oxide cathodes for sodium-ion batteries.
Reducing the thickness of solid-state electrolyte membranes for high-energy lithium batteries
This review summarizes the strategies to reduce the thickness of solid-state electrolytes for the fabrication of high energy-density solid-state batteries.
About this collection
Welcome to our 2021 rolling collection of Review and Perspective articles published in Energy & Environmental Science.