{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,4]],"date-time":"2026-02-04T21:44:01Z","timestamp":1770241441636,"version":"3.49.0"},"reference-count":75,"publisher":"MDPI AG","issue":"3","license":[{"start":{"date-parts":[[2026,2,4]],"date-time":"2026-02-04T00:00:00Z","timestamp":1770163200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Scientific Research Plan Service Local Special Project for Industrialization Cultivation Project in Education Department of Shaanxi","award":["24JC004"],"award-info":[{"award-number":["24JC004"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Materials"],"abstract":"<jats:p>The relatively poor cycle stability of zinc\u2013air batteries (ZABs) hinders their widespread application, while self-supporting electrode materials have shown great potential in enhancing the cycling stability of ZABs. To construct a self-supporting electrode, bamboo was employed as a sustainable precursor, and a two-step pyrolysis strategy was implemented to integrate ZIF-67-derived catalysts onto a hierarchically porous carbon framework, yielding the composite material Co-N@CB. Benefiting from its structural and electronic advantages, Co-N@CB exhibits outstanding electrocatalytic performance. The overpotential for the oxygen evolution reaction (OER) in alkaline electrolyte is 1.5 V at 10 mA cm\u22122, with a potential gap (\u0394E) of 0.69 V. This material is directly used as the air cathode in ZABs, delivering over 10,000 stable cycles. This excellent cycling stability arises from the strong carbon framework provided by bamboo and the enhanced electrical conductivity achieved through the pyrolytic graphitization of ZIF-67. This study paves the way for further exploration of biomass-based self-supporting electrodes toward high-performance ZABs and emerging micro\/nanoscale sensing technologies.<\/jats:p>","DOI":"10.3390\/ma19030598","type":"journal-article","created":{"date-parts":[[2026,2,4]],"date-time":"2026-02-04T09:02:01Z","timestamp":1770195721000},"page":"598","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["MOF Derivatives Confined Within Self-Supporting Bamboo Substrates with Hierarchical Porous Architectures for Long-Term Cycling Stability in Zinc\u2013Air Batteries"],"prefix":"10.3390","volume":"19","author":[{"given":"Yating","family":"Guo","sequence":"first","affiliation":[{"name":"Key Laboratory of Materials Physics and Functional Devices of Baoji, Institute of Physics and Optoelectronics Technology, Baoji University of Arts and Sciences, Baoji 721016, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ailing","family":"Feng","sequence":"additional","affiliation":[{"name":"Key Laboratory of Materials Physics and Functional Devices of Baoji, Institute of Physics and Optoelectronics Technology, Baoji University of Arts and Sciences, Baoji 721016, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yue","family":"Peng","sequence":"additional","affiliation":[{"name":"Key Laboratory of Materials Physics and Functional Devices of Baoji, Institute of Physics and Optoelectronics Technology, Baoji University of Arts and Sciences, Baoji 721016, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xing","family":"Liu","sequence":"additional","affiliation":[{"name":"Key Laboratory of Materials Physics and Functional Devices of Baoji, Institute of Physics and Optoelectronics Technology, Baoji University of Arts and Sciences, Baoji 721016, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shebao","family":"Lin","sequence":"additional","affiliation":[{"name":"Key Laboratory of Materials Physics and Functional Devices of Baoji, Institute of Physics and Optoelectronics Technology, Baoji University of Arts and Sciences, Baoji 721016, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Peitao","family":"Liu","sequence":"additional","affiliation":[{"name":"Key Laboratory of Materials Physics and Functional Devices of Baoji, Institute of Physics and Optoelectronics Technology, Baoji University of Arts and Sciences, Baoji 721016, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0009-0006-7826-4200","authenticated-orcid":false,"given":"Yanqing","family":"Zu","sequence":"additional","affiliation":[{"name":"Key Laboratory of Materials Physics and Functional Devices of Baoji, Institute of Physics and Optoelectronics Technology, Baoji University of Arts and Sciences, Baoji 721016, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xiaodong","family":"Li","sequence":"additional","affiliation":[{"name":"Key Laboratory of Materials Physics and Functional Devices of Baoji, Institute of Physics and Optoelectronics Technology, Baoji University of Arts and Sciences, Baoji 721016, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2026,2,4]]},"reference":[{"key":"ref_1","first-page":"33","article-title":"Cobalt-based deep eutectic solvent modified nitrogen-doped carbon catalyst for boosting oxygen reduction reaction in zinc\u2013air batteries","volume":"43","author":"Wang","year":"2024","journal-title":"Chin. 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