Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Bharath Umesh"'
Autor:
Rahmandhika Firdauzha Hary Hernandha, Bharath Umesh, Jagabandhu Patra, Chun‐Yen Chen, Ju Li, Jeng‐Kuei Chang
Publikováno v:
Advanced Science, Vol 11, Iss 31, Pp n/a-n/a (2024)
Abstract A supercritical carbon dioxide (SCCO2) fluid, characterized by gas‐like diffusivity, near‐zero surface tension, and excellent mass transfer properties, is used as a precursor to produce silicon oxycarbide (SiOC) coating. SCCO2 disperses
Externí odkaz:
https://doaj.org/article/5feb8826c19a4b92b7893cfc2dd8bf27
Autor:
Rahmandhika Firdauzha Hary Hernandha, Bharath Umesh, Jagabandhu Patra, Chung‐Jen Tseng, Chien‐Te Hsieh, Ju Li, Jeng‐Kuei Chang
Publikováno v:
Advanced Science, Vol 11, Iss 25, Pp n/a-n/a (2024)
Abstract To enhance Li storage properties, nitrogenation methods are developed for Si anodes. First, melamine, urea, and nitric oxide (NO) precursors are used to nitrogenize carbon‐coated Si particles. The properties of the obtained particles are c
Externí odkaz:
https://doaj.org/article/0a74cdcdf9024505ad3cb451b682b9b0
Autor:
Rahmandhika Firdauzha Hary Hernandha, Bharath Umesh, Purna Chandra Rath, Le Thi Thu Trang, Ju‐Chao Wei, Yu‐Chun Chuang, Ju Li, Jeng‐Kuei Chang
Publikováno v:
Advanced Science, Vol 10, Iss 21, Pp n/a-n/a (2023)
Abstract The lithiation/delithiation properties of α‐Si3N4 and β‐Si3N4 are compared and the carbon coating effects are examined. Then, β‐Si3N4 at various fractions is used as the secondary phase in a Si anode to modify the electrode properti
Externí odkaz:
https://doaj.org/article/34844b19e91844f491513b8085fd461b
Autor:
Rahmandhika Firdauzha Hary Hernandha, Bharath Umesh, Purna Chandra Rath, Le Thi Thu Trang, Ju‐Chao Wei, Yu‐Chun Chuang, Ju Li, Jeng‐Kuei Chang
Publikováno v:
Advanced Science.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3e3526885532f0ca93f98f6f8c684b21
https://doi.org/10.1002/advs.202301218
https://doi.org/10.1002/advs.202301218
Autor:
Kuo Hao Tseng, Ching Yuan Su, Jeng Kuei Chang, Anif Jamaluddin, Chun Wei Huang, Bharath Umesh, Fuming Chen
Publikováno v:
ACS Sustainable Chemistry & Engineering. 8:18936-18946
The use of Si and nitrogen-doped graphene to fabricate composite anodes in lithium-ion batteries (LIBs) is attracting intense attention. However, the reported strategies are limited to achieving a cost-effective, scalable, and facile approach. In par
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cb211cadc69b0d4df11ac35619fbdb82
https://doi.org/10.1021/acssuschemeng.0c06169
https://doi.org/10.1021/acssuschemeng.0c06169
Autor:
Quanfeng Dong, Purna Chandra Rath, Jeng Kuei Chang, Jeng Yu Lin, S. B. Majumder, Bharath Umesh, Rahmandhika Firdauzha Hary Hernandha
Publikováno v:
ACS Sustainable Chemistry & Engineering. 8:16252-16261
Highly concentrated electrolytes, although promising, are of high cost and show high viscosity and unsatisfactory wettability toward electrodes and separators, making them unfavorable for practical applications. A more rational electrolyte design is
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dd55536fb8b58c403190d5ce5a11fd89
https://doi.org/10.1021/acssuschemeng.0c05560
https://doi.org/10.1021/acssuschemeng.0c05560
Autor:
Jeng Kuei Chang, Quanfeng Dong, Chia Jung Wu, Tai Chou Lee, Purna Chandra Rath, Dominic Bresser, Bharath Umesh, Stefano Passerini, Jagabandhu Patra
Publikováno v:
ACS Applied Materials & Interfaces. 11:42049-42056
Electrolyte is a key component in high-voltage lithium-ion batteries (LIBs). Bis(trifluoromethanesulfonyl)imide-based ionic liquid (IL)/organic carbonate hybrid electrolytes have been a research focus owing to their excellent balance of safety and io
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b4b1fee9c076df88bd4812d2ba5e148f
https://doi.org/10.1021/acsami.9b12915
https://doi.org/10.1021/acsami.9b12915
Autor:
Jian De Xie, Hui Ying Li, Bharath Umesh, Tai Chou Lee, Yasser Ashraf Gandomi, Jeng Kuei Chang
Publikováno v:
Electrochimica Acta. 292:951-959
Supercritical CO2 (SCCO2) fluid, exhibiting gas-like diffusivity, extremely low viscosity, and near-zero surface tension, is used to synthesize uniformly dispersed and tightly anchored SnO2 nanoparticles (a 3-nm diameter was achieved) on graphene nan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::820a574f11d67f39cf5d249d2deda99b
https://doi.org/10.1016/j.electacta.2018.09.084
https://doi.org/10.1016/j.electacta.2018.09.084
Publikováno v:
Nanoscale. 12(17)
Encapsulating silicon (Si) nanoparticles with graphene nanosheets in a microspherical structure is proposed to increase electrical conductivity and solve stability issues when using Si as an anode material in lithium-ion batteries (LIBs). Currently t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::392b7d26f71d48324396e5307b426b06
https://pubmed.ncbi.nlm.nih.gov/32315010
https://pubmed.ncbi.nlm.nih.gov/32315010
Autor:
Rahmandhika Firdauzha Hary Hernandha, Subhasis Basu Majumder, Xinpei Gao, Stefano Passerini, Hong Zheng Lai, Purna Chandra Rath, Jagabandhu Patra, Dominic Bresser, Jeng Kuei Chang, Bharath Umesh, Tseng Lung Chang
Publikováno v:
Chemical Engineering Journal. 430:132693
In this study, Si nanoparticles with interweaving carbon nanotubes are wrapped by graphitic sheets to achieve high conductivity and high dimensional stability of a composite anode (denoted as Si/CNT/G) for Li-ion batteries. In addition, an ionic liqu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::74facbbd8e593d767cdb13533a332633
https://doi.org/10.1016/j.cej.2021.132693
https://doi.org/10.1016/j.cej.2021.132693