Results 31 to 40 of about 978 (161)
Surface in-situ reconstruction of LiNi 0.8 Co 0.1 Mn 0.1 O 2 cathode materials interacting with antimony compounds and the electrochemical performances [PDF]
, 2019 (#br)Interfacial stability is regarded as one of the greatest challenges in the commercialization of Ni-rich layered cathode materials for lithium battery.
Jia Guo +9 more
core +1 more source
Advanced Energy Materials, EarlyView.To overcome silicon anode instability, a hierarchical silicon/carbon composite fabricated from industrial waste via a scalable milling process is demonstrated. In‐depth post‐mortem analysis reveals how functional carbons—a CNT network and graphene shell—synergistically suppress degradation. This robust design delivers outstanding stability in practical
Young‐Ro Lee +13 more
wiley +1 more source
Dilution effects of highly concentrated electrolyte with fluorinated solvents on charge/discharge characteristics of Ni-rich layered oxide positive electrode [PDF]
, 2020 高ニッケル三元系材料は商用のLiCoO2正極より高い容量を有するため、EVsで使用するリチウムイオン電池の正極材料の候補として有望である。本論文に、著者は濃厚電解液とフッ素化溶媒を用いた希釈電解液に着目し、高ニッケル三元系LiNi0.8Co0.1Mn0.1O2(NCM811)の充放電サイクル特性を向上させた。電解液中の溶媒化構造の観点から、濃厚電解液の希釈効果がNCM811の充放電特性に及ぼす影響を詳細に検討した。Ni-rich ternary materials have higher ...
3494 +4 more
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Advanced Energy Materials, EarlyView.This review provides a bottom‐up evaluation of sodium‐ion battery safety, linking material degradation mechanisms, cell engineering parameters, and module/pack assembly. It emphasizes that understanding intrinsic material stability and establishing coordinated engineering control across hierarchical levels are vital for preventing degradation coupling ...
Won‐Gwang Lim +5 more
wiley +1 more source
Multimodal characterization of degradation in lithium-ion battery electrodes [PDF]
, 2021 The further development of the lithium-ion battery (LIB) for transportation applications requires increased energy density paired with the capability for fast charging.
Malabet, Hernando Jesus Gonzalez
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Carbon Energy, EarlyView.A robust fibrillated network formed by high‐molecular‐weight PTFE enables uniform Li+ flux and plating‐free behavior in dry‐processed graphite anodes, achieving ultra‐thick electrodes (10 mAh cm−2 as representative, extended to 30 mAh cm−2) with high volumetric energy density and stable full‐cell performance.
Yewon Kwon +5 more
wiley +1 more source
Lithium- and oxygen-driven structural evolution in Co-free Li-Mn-rich oxides as cathodes for lithium ion batteries [PDF]
, 2019 Nowadays, the lithium-rich layered 3d-transition-metal (TM) oxides (LLOs) are regarded as one of the most attractive cathode materials for next-generation lithium-ion batteries (LIBs), because they can exhibit a discharge capacity (approaching 300 mAh g ...
Hua, Weibo
core +2 more sources
ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.Fluoro‐functionalized polyether electrolytes, which combine fluorine‐ and ether‐containing groups, achieve enhanced oxidative stability, high ionic conductivity, and superior interfacial stability. Due to their non‐flammability, remarkable flexibility, ease of processing, and design versatility, polymer‐based electrolytes containing polyethers have ...
Nannan Geng +8 more
wiley +1 more source
Small, EarlyView.Solid polymer electrolytes incorporating LiFSI, LiTFSI, and their binary mixture are investigated to reveal how salt polarity and Lewis basicity regulate dehydrofluorination, crystallinity, and charge density in PVDF‐HFP. The binary‐salt formulation achieves a balanced improvement in ionic conductivity, mechanical robustness, and electrochemical ...
Wonmi Lee +10 more
wiley +1 more source
DEFECT CHEMISTRY AND TRANSPORT PROPERTIES OF SOLID STATE MATERIALS FOR ENERGY STORAGE APPLICATIONS [PDF]
, 2018 Replacing organic liquid electrolytes with nonflammable solid electrolytes can improve safety, offer higher volumetric and gravimetric energy densities, and lower the cost of lithium-ion batteries.
Zhan, Xiaowen
core +1 more source