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Water-Sintered Transient Nanocomposites Used as Electrical Interconnects for Dissolvable Consumer Electronics
ACS Applied Materials & Interfaces ( IF 8.3 ) Pub Date : 2021-07-05 , DOI: 10.1021/acsami.1c07102 Jiameng Li 1 , Jiayin Liu 1 , Wangwei Lu 2 , Ziyue Wu 1 , Jingxian Yu 1 , Bangbang Wang 3 , Zhe Ma 3 , Wenxing Huo 1 , Xian Huang 1
ACS Applied Materials & Interfaces ( IF 8.3 ) Pub Date : 2021-07-05 , DOI: 10.1021/acsami.1c07102 Jiameng Li 1 , Jiayin Liu 1 , Wangwei Lu 2 , Ziyue Wu 1 , Jingxian Yu 1 , Bangbang Wang 3 , Zhe Ma 3 , Wenxing Huo 1 , Xian Huang 1
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Rapid development of electronic technology shortens the development time for new products and accelerates the obsolescence of consumer electronics, resulting in the explosive growth of electronic waste that is difficult to recycle and hazardous to the environment and human health. Transient electronics that can dissolve in water may potentially be adopted to tackle the issues of electronic waste; however, promising approaches to yield large-scale and high-performance transient consumer electronics have not yet been developed. Here, the joint effect of galvanic corrosion and redeposition has been utilized to develop bimetallic transient nanocomposites, which can be printed and water-sintered to yield high-performance transient PCB circuits with excellent electrical conductivity and mechanical robustness. The entire sintering process requires no external energy and strict environmental conditions. The achieved PCB circuits offer a conductivity of 307,664.4 S/m that is among the highest in comparison with other printed transient circuits. The supreme performance of the transient circuits eventually leads to the first dissolvable smartwatch that offers the same functions and similar performance as conventional smartwatches and dissolves in water within 40 h. The joint effect of galvanic corrosion and redeposition between two metals with distinct activities leads to novel nanocomposites and processing techniques of transient electronics. The resulting high-performance transient devices may reshape the appearance of consumer electronics and reform the electronics recycling industry by reducing recycling costs and minimizing environmental pollution and health hazard.
中文翻译：
水烧结瞬态纳米复合材料用作可溶解消费电子产品的电气互连
电子技术的快速发展缩短了新产品的开发时间，加速了消费电子产品的淘汰，导致难以回收利用、危害环境和人体健康的电子垃圾呈爆炸式增长。可以溶解在水中的瞬态电子设备可能被用于解决电子废物问题；然而，尚未开发出生产大规模和高性能瞬态消费电子产品的有前途的方法。在这里，电偶腐蚀和再沉积的联合效应已被用于开发双金属瞬态纳米复合材料，该复合材料可以印刷和水烧结以产生具有优异导电性和机械强度的高性能瞬态 PCB 电路。整个烧结过程不需要外部能源和严格的环境条件。实现的 PCB 电路提供 307,664.4 S/m 的电导率，与其他印刷瞬态电路相比，这是最高的。瞬态电路的卓越性能最终导致了第一款可溶解智能手表，它提供与传统智能手表相同的功能和相似的性能，并在 40 小时内溶解在水中。两种具有不同活性的金属之间的电偶腐蚀和再沉积的共同作用导致了新型纳米复合材料和瞬态电子学的处理技术。
更新日期：2021-07-14
中文翻译：
水烧结瞬态纳米复合材料用作可溶解消费电子产品的电气互连
电子技术的快速发展缩短了新产品的开发时间，加速了消费电子产品的淘汰，导致难以回收利用、危害环境和人体健康的电子垃圾呈爆炸式增长。可以溶解在水中的瞬态电子设备可能被用于解决电子废物问题；然而，尚未开发出生产大规模和高性能瞬态消费电子产品的有前途的方法。在这里，电偶腐蚀和再沉积的联合效应已被用于开发双金属瞬态纳米复合材料，该复合材料可以印刷和水烧结以产生具有优异导电性和机械强度的高性能瞬态 PCB 电路。整个烧结过程不需要外部能源和严格的环境条件。实现的 PCB 电路提供 307,664.4 S/m 的电导率，与其他印刷瞬态电路相比，这是最高的。瞬态电路的卓越性能最终导致了第一款可溶解智能手表，它提供与传统智能手表相同的功能和相似的性能，并在 40 小时内溶解在水中。两种具有不同活性的金属之间的电偶腐蚀和再沉积的共同作用导致了新型纳米复合材料和瞬态电子学的处理技术。
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