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Designing Porous Antifouling Interfaces for High-Power Implantable Biofuel Cell
Advanced Functional Materials ( IF 18.5 ) Pub Date : 2021-09-15 , DOI: 10.1002/adfm.202107160 Lie Wang 1 , Er He 1 , Rui Gao 1 , Xiaotong Wu 1 , Anwei Zhou 1 , Jiang Lu 1 , Tiancheng Zhao 2 , Jiaxin Li 2 , Yanjing Yun 1 , Luhe Li 1 , Tingting Ye 1 , Yiding Jiao 1 , Jiacheng Wang 1 , Hao Chen 1 , Dan Li 3 , Xinghai Ning 1 , Di Wu 1 , Huisheng Peng 2 , Ye Zhang 1
Advanced Functional Materials ( IF 18.5 ) Pub Date : 2021-09-15 , DOI: 10.1002/adfm.202107160 Lie Wang 1 , Er He 1 , Rui Gao 1 , Xiaotong Wu 1 , Anwei Zhou 1 , Jiang Lu 1 , Tiancheng Zhao 2 , Jiaxin Li 2 , Yanjing Yun 1 , Luhe Li 1 , Tingting Ye 1 , Yiding Jiao 1 , Jiacheng Wang 1 , Hao Chen 1 , Dan Li 3 , Xinghai Ning 1 , Di Wu 1 , Huisheng Peng 2 , Ye Zhang 1
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Biofuel cells that can convert the chemical energy of biomass such as glucose into electricity are expected to continuously obtain energy from living organisms and solve bottlenecks of energy supply for implanted electronics. However, the use of biofuel cells is limited mainly by the sharp drop in performance after implanting in living organisms caused by biofouling and electrode surface inactivation. Herein, a simple and effective strategy to overcome these problems by designing a porous antifouling interface on biofuel cells, is demonstrated. It resists the biofouling from body fluid while sustaining reactant penetration, and also enhances immobilization of enzymes. As a result, the biofuel cell can maintain almost 100% performance after implanting in living organisms, and a maximal output power of 76.6 mW cm-3 is achieved in vivo, which is ≈96 times of the highest performance reported to date. This strategy is universal and can be extended to the other electronic devices such as electrochemical sensors, which presents a new avenue for developing high-performance implanted electronics.
中文翻译：
为高功率可植入生物燃料电池设计多孔防污界面
能够将葡萄糖等生物质的化学能转化为电能的生物燃料电池有望不断从生物体中获取能量，解决植入电子设备的能源供应瓶颈。然而，生物燃料电池的使用主要受到生物污染和电极表面失活引起的生物体植入后性能急剧下降的限制。本文展示了一种通过在生物燃料电池上设计多孔防污界面来克服这些问题的简单有效的策略。它在维持反应物渗透的同时抵抗体液的生物污染，并增强酶的固定化。因此，生物燃料电池在植入生物体后几乎可以保持 100% 的性能，最大输出功率为 76.6 mW cm -3在体内实现，这是迄今为止报道的最高性能的≈ 96 倍。这种策略是通用的，可以扩展到其他电子设备，如电化学传感器，这为开发高性能植入电子设备提供了新途径。
更新日期：2021-09-15
中文翻译：
为高功率可植入生物燃料电池设计多孔防污界面
能够将葡萄糖等生物质的化学能转化为电能的生物燃料电池有望不断从生物体中获取能量，解决植入电子设备的能源供应瓶颈。然而，生物燃料电池的使用主要受到生物污染和电极表面失活引起的生物体植入后性能急剧下降的限制。本文展示了一种通过在生物燃料电池上设计多孔防污界面来克服这些问题的简单有效的策略。它在维持反应物渗透的同时抵抗体液的生物污染，并增强酶的固定化。因此，生物燃料电池在植入生物体后几乎可以保持 100% 的性能，最大输出功率为 76.6 mW cm -3在体内实现，这是迄今为止报道的最高性能的≈ 96 倍。这种策略是通用的，可以扩展到其他电子设备，如电化学传感器，这为开发高性能植入电子设备提供了新途径。
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