Conformational gearing of black phosphorus anode via biomimetic adaptive mechanism for fast charging and low-temperature adaptability in potassium batteries
Jian Wang , Fusheng Liu , Guohui Qin , Xiangming He
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引用次数: 0
Abstract
Black phosphorus (BP) is emerging as a promising anode material with high theoretical capacity in potassium-ion batteries. However, its limited synergy between rapid charging capability and broad temperature range compatibility severely restricts its practical deployment. To address this, we have developed a strategy based on "point-line-face" conformational tailor, incorporating dynamic protective mechanism, i.e., a biological metamorphosis defense mechanism (BMDM), to harmonize fast-charging kinetics and low-temperature adaptability. For the first time, BP is firstly encapsulated within an "S, N co-doped vesicle-like" carbon matrix with spatial expanding channels, fortified with Ce single atoms to achieving 4f-3p-5d orbital hybridization towards for the fine plane K deposition based on hard base-soft acid theory, further integrated into a polymer structure featuring dedicated biomimetic escaping feature derived from the eco-friendly conversion of plexiglas waste. This enables an intelligent adaptation, where one side chain is selectively truncated to enhance kinetic behavior, accommodating high C-rates and low-temperature conditions. This innovative protocol paves the way for the design of delicate electrode materials at the intersection of energy, biology, and environmental science, transforming polluting waste into valuable energy-storage components, and essentially explores the self-adaptive framework reconstruction to smartly accommodate the arduous C-rates and low temperature conditions.
期刊介绍:
Energy Storage Materials is a global interdisciplinary journal dedicated to sharing scientific and technological advancements in materials and devices for advanced energy storage and related energy conversion, such as in metal-O2 batteries. The journal features comprehensive research articles, including full papers and short communications, as well as authoritative feature articles and reviews by leading experts in the field.
Energy Storage Materials covers a wide range of topics, including the synthesis, fabrication, structure, properties, performance, and technological applications of energy storage materials. Additionally, the journal explores strategies, policies, and developments in the field of energy storage materials and devices for sustainable energy.
Published papers are selected based on their scientific and technological significance, their ability to provide valuable new knowledge, and their relevance to the international research community.