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PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE · 2016 ·Vol. 213 ·期 5 ·1324-1328 · IF 1.648

A facile non-vacuum-based Cu2ZnSnSe4 superstrate solar cell with 2.44% device efficiency

Yongzheng Zhang,Yuxiu Sun,Hao Wang,Hui Yan

Cu 2 ZnSnSe 4 (CZTSe) solar cell with a facile superstrate structure of carbon/CZTSe/CdS/ITO was fabricated entirely by non-vacuum processes. The influence of selenization temperature on the composition of CZTSe layer was briefly investigated. Compared with current superstrate-type CZTS(e) solar cells, the present CZTSe superstrate solar cell exhibited a higher power conversion efficiency of 2.44%.

研究领域: 材料科学 · 光伏技术 · 无机半导体 · 能源材料 · 薄膜器件

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JOURNAL OF POWER SOURCES · 2019 · IF 7.467

Binder-free ultrasonicated graphite flakes@carbon fiber cloth cathode for rechargeable aluminum-ion battery

Chengyuan Liu,Zhiwei Liu,Qiming Li,Hongkun Niu,Cong Wang,Zhaowen Wang,Bingliang Gao

Aluminum battery offers a new possibility for low cost and large-scale stationary storage of electricity because it can be made with cheap materials and exhibits high theoretical mass specific capacity and power density. Among many cathodic materials, graphite/graphene may be one of the most promising cathode materials for aluminum-ion battery. A suitable three-dimensional structure of the cathode is an important factor for the high performance of battery. In this paper, a binder-free cathode is prepared by dropcasting small ultrasonicated graphite flakes (u-GF) on carbon fiber cloth (CFC) which provides a three-dimensional network skeleton for the new cathode. Al|EMImCl-1.3AlCl 3 |u-GF@CFC battery exhibits a high discharge specific capacity of ~140 mAh g −1 at 100  mA g −1 . The battery has good rate performance and cycling stability: the capacity still exceeds 100 mAh g −1 at 600 mA g −1 with a high coulomb efficiency of 98% and maintains 60 mAh g −1 at 3000 mA g −1 over 300 cycles.

研究领域: 电化学 · 能源材料 · 纳米材料 · 储能技术 · 材料科学

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A facile non-vacuum-based Cu2ZnSnSe4 superstrate solar cell with 2.44% device efficiency

Binder-free ultrasonicated graphite flakes@carbon fiber cloth cathode for rechargeable aluminum-ion battery