Full metadata record
DC Field | Value | Language |
---|---|---|
dc.contributor.author | 선양국 | - |
dc.date.accessioned | 2019-12-10T01:30:30Z | - |
dc.date.available | 2019-12-10T01:30:30Z | - |
dc.date.issued | 2018-11 | - |
dc.identifier.citation | ACS ENERGY LETTERS, v. 3, no. 12, page. 3002-3007 | en_US |
dc.identifier.issn | 2380-8195 | - |
dc.identifier.uri | https://pubs.acs.org/doi/10.1021/acsenergylett.8b02043 | - |
dc.identifier.uri | https://repository.hanyang.ac.kr/handle/20.500.11754/120583 | - |
dc.description.abstract | A remarkable reduction in electronic conductivity in the core region rather than on the surface of secondary particles is proposed as a capacity-fading mechanism of a Ni-rich cathode. This result is confirmed by analyzing the electronic conductivity of the secondary particles of Li[Ni0.98Co0.01Mn0.01]-O(2 )using the scanning spreading resistance microscopy (SSRM) mode of atomic force microscopy. SSRM analysis reveals that a much thicker rocksalt phase, which is transformed from the original layered structure, on the surface of the primary particles in the core region electronically insulates the entire volume of the primary particles from the neighboring particles. Li intercalation-deintercalation is not achievable in the electronically insulated primary particles. Thus, visualization of the local electronic conductivity in the secondary particles confirms that the loss of electronic conductivity in the core region of the secondary particle is a key factor in the capacity fading of a Ni-rich cathode for lithium ion batteries. | en_US |
dc.description.sponsorship | This work was supported by a National Research Foundation of Korea (NRF) grant funded by the Korea government Ministry of Education and Science Technology (MEST) (NRF-2018R1A2B3008794) and a grant from the Human Resources Development program (No. 20154010200840) of the Korea Institute of Energy Technology Evaluation and Planning (KETEP), funded by the Ministry of Trade, Industry and Energy of the Korean government. The SEM analysis and SEM sample preparation were conducted at the Cooperative Equipment Center of KOREATECH. | en_US |
dc.language.iso | en_US | en_US |
dc.publisher | AMER CHEMICAL SOC | en_US |
dc.subject | LITHIUM-ION BATTERIES | en_US |
dc.subject | CHARGE HETEROGENEITY | en_US |
dc.subject | HIGH-ENERGY | en_US |
dc.subject | STABILITY | en_US |
dc.subject | DISCHARGE | en_US |
dc.subject | CHEMISTRY | en_US |
dc.title | Variation of Electronic Conductivity within Secondary Particles Revealing a Capacity-Fading Mechanism of Layered Ni-Rich Cathode | en_US |
dc.type | Article | en_US |
dc.relation.no | 12 | - |
dc.relation.volume | 3 | - |
dc.identifier.doi | 10.1021/acsenergylett.8b02043 | - |
dc.relation.page | 3002-3007 | - |
dc.relation.journal | ACS ENERGY LETTERS | - |
dc.contributor.googleauthor | Kim, Jae-Hyung | - |
dc.contributor.googleauthor | Kim, Suk Jun | - |
dc.contributor.googleauthor | Yuk, Taewon | - |
dc.contributor.googleauthor | Kim, Jaekook | - |
dc.contributor.googleauthor | Yoon, Chong S. | - |
dc.contributor.googleauthor | Sun, Yang-Kook | - |
dc.relation.code | 2018011848 | - |
dc.sector.campus | S | - |
dc.sector.daehak | COLLEGE OF ENGINEERING[S] | - |
dc.sector.department | DEPARTMENT OF ENERGY ENGINEERING | - |
dc.identifier.pid | yksun | - |
dc.identifier.orcid | http://orcid.org/0000-0002-0117-0170 | - |
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