Results 31 to 40 of about 2,288,779 (293)

Kinetic Origin of Planar Gliding in Single-Crystalline Ni-Rich Cathodes

, 2022
Single-crystalline Ni-rich cathodes with high capacity have drawn much attention for mitigating cycling and safety crisis of their polycrystalline analogues. However, planar gliding and intragranular cracking tend to occur in single crystals with cycling,
Yu-Gang Zou (1751887), Min Fan (396491), Huican Mao (8455494), Rui-Juan Xiao (5439266), Li-Jun Wan (1411735), Ji-Lei Shi (1411723), Lin Gu (1306755), Kecheng Jiang (12872640), Yu-Guo Guo (1411726), Xin-Hai Meng (12872637), Dongdong Xiao (627185), Hang Sheng (3621221), Ting Lin (671479)   +12 more
core   +1 more source

Charge Compensation Mechanisms in Ni‐Rich NMC Cathodes

Batteries & Supercaps
Understanding charge compensation mechanisms in nickel‐rich lithium nickel–manganese–cobalt alloy oxide (NMC) cathodes is crucial for optimizing their electrochemical performance. This study employs complementary spectroscopic techniques with varying probing depths, including X‐ray absorption near‐edge structure spectroscopy, hard ...
Jesus Díaz‐Sánchez, Ingeborg S. Ellingsen, Elena Salagre, Jesús Sánchez‐Prieto, Noelia Maldonado, Arturo Galindo, Carmen Morant, Enrique Vasco, Gastón Garcia, Daniel Rettenwander, Juan Rubio‐Zuazo, Enrique G. Michel, Celia Polop   +12 more
openaire   +2 more sources

Ni-Ion-Chelating Strategy for Mitigating the Deterioration of Li-Ion Batteries with Nickel-Rich Cathodes

, 2022
Ni-rich cathodes are the most promising candidates for realizing high-energy-density Li-ion batteries. However, the high-valence Ni4+ ions formed in highly delithiated states are prone to reduction to lower valence states, such as Ni3+ and Ni2+, which ...
Choi, Nam-Soon, Park, Seon Yeong, Hyeong Yong Lim, Jeong‐Hee Choi, Sang Kyu Kwak, Lim, Hyeong Yong, Sewon Park, Choi, Jeong-Hee, Hong, Sung You, Yoon, Moonsu, Sung You Hong, Park, Sewon, Nam‐Soon Choi, Kwak, Sang Kyu, Moonsu Yoon, Seon Yeong Park   +15 more
core   +1 more source

Oxygen Activities Governing Structural Reversibility in Industrial Ni-Rich Layered Cathodes [PDF]

The chemical reactions and phase transitions at high voltages determine the electrochemical properties of high voltage layered cathodes such as Ni-rich rhombohedral materials.
Maxim, Avdeev, Matthew, Crafton, Suwon, Lee, Jongwook, Heo, Jiliang, Zhang, Youngju, Choi, Zengqing, Zhuo, Junghoon, Yang, Wanli, Yang, Bryan, McCloskey, Gi-Hyeok, Lee, Yong-Mook, Kang, Bernardine, Rinkel, Byungchun, Park   +13 more
core   +1 more source

The stability and redox mechanisms of Ni-rich NMC cathodes: Insights from first-principles many-body calculations [PDF]

Ni-rich LiNi_aMn_bCo_cO_2 (NMC) cathodes undergo a series of degradation reactions, a prominent one being oxygen loss from the surface of the NMC particles, this process being more pronounced as Ni content is increased and at high voltages.
Hrishit, Banerjee, Andrew J., Morris, Clare P., Grey   +2 more
core   +2 more sources

Replacing conventional battery electrolyte additives with dioxolone derivatives for high-energy-density lithium-ion batteries

Nature Communications, 2021
Interface architecture generated from electrolyte additives is a key element for high performance lithium-ion batteries. Here, the authors present that a stable and spatially deformable solid electrolyte interphase mitigates interfacial degradation of Si-
Sewon Park, Seo Yeong Jeong, Tae Kyung Lee, Min Woo Park, Hyeong Yong Lim, Jaekyung Sung, Jaephil Cho, Sang Kyu Kwak, Sung You Hong, Nam-Soon Choi   +9 more
doaj   +1 more source

Graphene collage on Ni-rich layered oxide cathodes for advanced lithium-ion batteries

Nature Communications, 2021
Li-ion battery electrodes contain inactive materials, such as conducting agents and polymeric binders, which limit the energy density. Here, the authors demonstrate highly dense Ni-rich cathodes with improved volumetric capacities by coating graphene and
Chang Won Park, Jung-Hun Lee, Jae Kwon Seo, Won Young Jo, Dongmok Whang, Soo Min Hwang, Young-Jun Kim   +6 more
doaj   +1 more source

Constructing “Li-rich Ni-rich” oxide cathodes for high-energy-density Li-ion batteries

, 2023
International audienceThe current exploration of high-energy-density cathode materials for Li-ion batteries is mainly concentrated on either so-called “Li-rich” or “Ni-rich” oxides. However, both are suffering from formidable practical challenges.
Tarascon, Jean-Marie,, Rousse, Gwenaëlle,, Deschamps, Michaël,, Deschamps, Michaël, Li, Biao,, Abakumov, Artem M.,, Zhang, Leiting, Avdeev, Maxim, Rousse, Gwenaëlle, Abakumov, Artem, Tarascon, Jean-Marie, Zhang, Leiting,, Avdeev, Maxim,, Li, Biao   +13 more
core   +1 more source

Rotary 3D Printing With Integrated Electroplating

Advanced Engineering Materials, EarlyView.
A rotary material extrusion platform integrates localized copper electroplating with printing and encapsulation to fabricate cylindrical polymer–metal structures containing fully embedded, low‐resistance conductive pathways that enable internal Joule heating and thermally activated shape‐memory responses.
Antonio Zagaria, Nicola Larovere, Moslem Mohammadi, Gianluca Percoco, Ali Zolfagharian, Gianni Stano   +5 more
wiley   +1 more source

Effect of the grain arrangements on the thermal stability of polycrystalline nickel-rich lithium-based battery cathodes

Nature Communications, 2022
Enhancing the stability of positive electrodes at thermally-abused conditions is vital for next-generation lithium-based batteries. Here, the authors report in situ physicochemical characterizations to improve the fundamental understanding of the ...
Dong Hou, Zhengrui Xu, Zhijie Yang, Chunguang Kuai, Zhijia Du, Cheng-Jun Sun, Yang Ren, Jue Liu, Xianghui Xiao, Feng Lin   +9 more
doaj   +1 more source