On‐Chip Micro‐Pseudocapacitors for Ultrahigh Energy and Power Delivery

201585 citationsJournal Articlegold Open Access

Authors

Jiuhui Han · Tohoku University

Yu‐Ching Lin · Tohoku University

Luyang Chen · Tohoku University

Yao‐Chuan Tsai · Santen (Japan)

Yoshikazu Ito · Advanced Institute of Materials Science

Xianwei Guo · Tohoku University

Akihiko Hirata ·

Abstract

Microscale supercapapcitors based on hierarchical nanoporous hybrid electrodes consisting of 3D bicontinuous nanoporous gold and pseudocapacitive manganese oxide deliver an excellent stack capacitance of 99.1 F cm-3 and a high energy density of 12.7 mW h cm-3 with a retained high power density of 46.6 W cm-3.

Topics & Keywords

Supercapacitor Materials and Fabrication Nanoporous metals and alloys Electrocatalysts for Energy Conversion

UN Sustainable Development Goals

Affordable and clean energy

Publication Details

Published in: Advanced Science

Volume 2, Issue 5, pp. 1500067-1500067

DOI: 10.1002/advs.201500067

Field-Weighted Citation Impact: 4.06