Experiment reveals nickel foam with nickel oxide boosts lithium deposition efficiency to 97.7%, suggesting novel current collector methods.
Direct growth of NiO via acid-washing and air-annealing creates lithiophilic nickel foam (NF-N). The optimized NF-NiO450 achieves 97.7% efficiency for 330 cycles, vs . 96.6% for NF at 75 cycles.
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He et al. (2025) studied this question.
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