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- W4382364145 endingPage "171187" @default.
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- W4382364145 abstract "Ge-based anodes have been considered as an alternative to graphite for lithium-ion batteries because of their high theoretical capacities. Nonetheless, their performance is still not up to the requirements of practical application. Herein, a novel Ge12Ni19@nitrogen-doped carbon microflowers (Ge12Ni19@NCFs) composite with subtle hierarchical structure was successfully fabricated based on carbon framework confinement and transition-metal alloy strategies. Detailed analysis was conducted on its unique structure and composition through various characterizations. Meanwhile, control tests proved that the nitrogen-doped carbon framework can improve the cycle stability effectively. Furthermore, density functional theory (DFT) calculations reveal that alloying with Ni is conducive to accelerating electron migration and Li+ diffusion of Ge anode. Benefiting from the synergistic effects, the Ge12Ni19@NCFs composite exhibited a remarkable lithium storage performance. After cycled 1000 times at 2 A g-1, it still delivered a high capacity of 541 mAh g-1 with a retention of 90%." @default.
- W4382364145 created "2023-06-29" @default.
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- W4382364145 date "2023-11-01" @default.
- W4382364145 modified "2023-10-16" @default.
- W4382364145 title "Synergistic effects of carbon framework confinement and transition-metal alloy strategies on promoting lithium storage performances of germanium anode" @default.
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- W4382364145 doi "https://doi.org/10.1016/j.jallcom.2023.171187" @default.
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