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Stretchable and Biodegradable Batteries with High Energy and Power Density
Advanced Materials ( IF 29.4 ) Pub Date : 2022-06-17 , DOI: 10.1002/adma.202204457 Mahya Karami-Mosammam 1, 2 , Doris Danninger 1, 2 , David Schiller 1, 2 , Martin Kaltenbrunner 1, 2
Advanced Materials ( IF 29.4 ) Pub Date : 2022-06-17 , DOI: 10.1002/adma.202204457 Mahya Karami-Mosammam 1, 2 , Doris Danninger 1, 2 , David Schiller 1, 2 , Martin Kaltenbrunner 1, 2
Affiliation
Realizing a sustainable, technologically advanced future will necessitate solving the electronic waste problem. Biodegradable forms of electronics offer a viable path through their environmental benignity. With both the sheer number of devices produced every day as well as their areas of application ever increasing, new concepts of degradable batteries able to sustain the high power demands of modern electronics must be developed. Simultaneously, integration of electronics in close interaction with its user or powering soft robotic devices necessitates high degrees of compliance, rendering stretchable batteries indispensable. Here, a concept for merging intrinsically stretchable materials with engineered stretchability by kirigami-patterning on a component level is shown to yield high-power biodegradable batteries with reversible elasticity up to 35% when stretched uniaxially and 20% for biaxial extension. Using a combination of molybdenum metal foils, a molybdenum trioxide paste, and magnesium metal foils as electrode materials, a peak power output of 196 µW cm–2 and an energy density of 1.72 mWh cm–2 is achieved. The biodegradable batteries are used to power an on-skin biomedical sensor patch, enabling monitoring of sodium concentration in sweat. This concept provides a versatile route for high-power biodegradable batteries, enabling untethered soft electronic devices in a sustainable future.
中文翻译:
具有高能量和功率密度的可拉伸和可生物降解电池
实现可持续的、技术先进的未来将需要解决电子垃圾问题。可生物降解形式的电子产品通过其环境友好性提供了一条可行的途径。随着每天生产的设备数量及其应用领域的不断增加,必须开发能够满足现代电子产品高功率需求的可降解电池的新概念。同时,与用户密切互动或为软机器人设备供电的电子设备集成需要高度的合规性,这使得可拉伸电池变得不可或缺。这里,一种通过在组件水平上通过剪纸图案将固有可拉伸材料与工程拉伸性合并的概念被证明可以产生高功率可生物降解电池,单轴拉伸时可逆弹性高达 35%,双轴拉伸时可逆弹性高达 20%。使用钼金属箔、三氧化钼浆料和镁金属箔作为电极材料的组合,峰值功率输出为 196 µW cm–2和 1.72 mWh cm –2的能量密度。可生物降解的电池用于为皮肤上的生物医学传感器贴片供电,从而能够监测汗液中的钠浓度。这一概念为高功率可生物降解电池提供了一条通用路线,使不受束缚的软电子设备在可持续的未来成为可能。
更新日期:2022-06-17
中文翻译:
具有高能量和功率密度的可拉伸和可生物降解电池
实现可持续的、技术先进的未来将需要解决电子垃圾问题。可生物降解形式的电子产品通过其环境友好性提供了一条可行的途径。随着每天生产的设备数量及其应用领域的不断增加,必须开发能够满足现代电子产品高功率需求的可降解电池的新概念。同时,与用户密切互动或为软机器人设备供电的电子设备集成需要高度的合规性,这使得可拉伸电池变得不可或缺。这里,一种通过在组件水平上通过剪纸图案将固有可拉伸材料与工程拉伸性合并的概念被证明可以产生高功率可生物降解电池,单轴拉伸时可逆弹性高达 35%,双轴拉伸时可逆弹性高达 20%。使用钼金属箔、三氧化钼浆料和镁金属箔作为电极材料的组合,峰值功率输出为 196 µW cm–2和 1.72 mWh cm –2的能量密度。可生物降解的电池用于为皮肤上的生物医学传感器贴片供电,从而能够监测汗液中的钠浓度。这一概念为高功率可生物降解电池提供了一条通用路线,使不受束缚的软电子设备在可持续的未来成为可能。