期刊
JOURNAL OF MATERIALS CHEMISTRY A
卷 1, 期 27, 页码 7927-7932出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3ta11022b
关键词
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资金
- Clean Energy Research Programme under Singapore EDB [NRF2008EWT-CERP002-041, NUS R284-000-081-592]
- DuPont Apollo
Sulphide-based materials have attracted much attention as high performance electrode candidates for lithium batteries. However, a serious irreversible capacity decay after the first cycle of such materials inhibits their widespread applications in rechargeable batteries. In this work, a highly porous (3D) quaternary Cu2ZnSnS4 (CZTS) film was synthesized through a facile solution pyrolysis method. An initial discharge capacity of 1154 mA h g(-1) and a stabilised value of about 680 mA h g(-1) after 40 cycles at a current rate of 100 mA g(-1) were achieved. Such significantly improved capacity and stability (especially for the first several cycles) indicate the great advantages of this 3D nanostructured CZTS electrode for advanced secondary lithium batteries.
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