{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Nason CAF"],"funding":["Leverhulme Trust","Royal Society","Engineering and Physical Sciences Research Council"],"pagination":["19140-19153"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC12445367"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["16(41)"],"pubmed_abstract":["The ultimate goal of potassium-ion batteries (KIBs) is to become a serious competitor to lithium-ion batteries (LIBs). Achieving this requires the development of high energy density negative electrode materials, with transition metal oxides emerging as the most promising candidates. However, despite their high theoretical capacities, most transition metal oxides still struggle to achieve high performance, often necessitating substantial nanostructuring. Ion-exchange presents a facile and effective process for enhancing material properties, yet the demonstration of the exchanged ions undergoing redox activity has not been previously reported for KIBs. Herein, this work reports Ni<sub>0.25</sub>K<sub>0.5</sub>TiNbO<sub>5</sub>, synthesized through the ion-exchange between K<sup>+</sup> and N"],"journal":["Chemical science"],"pubmed_title":["Enhanced ion intercalation in Ni &lt;sub&gt;&lt;i&gt;x&lt;/i&gt;&lt;/sub&gt; K&lt;sub&gt;1-2&lt;i&gt;x&lt;/i&gt;&lt;/sub&gt; TiNbO&lt;sub&gt;5&lt;/sub&gt; enabled by redox active Ni exchange for potassium-ion batteries."],"pmcid":["PMC12445367"],"funding_grant_id":["IEC\\NSFC\\223016","RPG-2025-127","EP/X000087/1","EP/V000152/1","RPG-2021-138"],"pubmed_authors":["Ren W","Vijaya Kumar Saroja AP","Mei Y","Lu Y","Nason CAF","Sankar G","Hyde TI","Han Y","Celorrio V","Gould JA","Sarguroh A","Xu Y"],"additional_accession":[]},"is_claimable":false,"name":"Enhanced ion intercalation in Ni &lt;sub&gt;&lt;i&gt;x&lt;/i&gt;&lt;/sub&gt; K&lt;sub&gt;1-2&lt;i&gt;x&lt;/i&gt;&lt;/sub&gt; TiNbO&lt;sub&gt;5&lt;/sub&gt; enabled by redox active Ni exchange for potassium-ion batteries.","description":"The ultimate goal of potassium-ion batteries (KIBs) is to become a serious competitor to lithium-ion batteries (LIBs). Achieving this requires the development of high energy density negative electrode materials, with transition metal oxides emerging as the most promising candidates. However, despite their high theoretical capacities, most transition metal oxides still struggle to achieve high performance, often necessitating substantial nanostructuring. Ion-exchange presents a facile and effective process for enhancing material properties, yet the demonstration of the exchanged ions undergoing redox activity has not been previously reported for KIBs. Herein, this work reports Ni<sub>0.25</sub>K<sub>0.5</sub>TiNbO<sub>5</sub>, synthesized through the ion-exchange between K<sup>+</sup> and N","dates":{"release":"2025-01-01T00:00:00Z","publication":"2025 Oct","modification":"2026-06-04T16:25:30.309Z","creation":"2026-06-02T03:08:45.96Z"},"accession":"S-EPMC12445367","cross_references":{"pubmed":["40979869"],"doi":["10.1039/d5sc04984a"]}}