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While n\u2010type Zintl materials, such as Mg\n                    <jats:sub>3<\/jats:sub>\n                    Sb\n                    <jats:sub>2<\/jats:sub>\n                    , have achieved remarkable performance, their p\u2010type counterparts are restricted by electron\u2010phonon coupling. This work demonstrates a cost\u2010effective p\u2010type CdSb\u2010based Zintl material with high TE performance. We find that applying entropy engineering can sharply enhance the solid solubility of Cu in CdSb. Cu doping in entropy\u2010engineered Cd\n                    <jats:sub>0.5<\/jats:sub>\n                    Zn\n                    <jats:sub>0.5<\/jats:sub>\n                    Sb raises carrier concentration. More importantly, Cu boosts carrier mobility to about 222 cm\n                    <jats:sup>2<\/jats:sup>\n                    V\n                    <jats:sup>\u22121<\/jats:sup>\n                    s\n                    <jats:sup>\u22121<\/jats:sup>\n                    by screening ionized impurity scattering and enhancing covalent bonding across the cleavage plane along the [1 0 0] direction. Additionally, Cu doping induces dislocation scattering and lattice softening, significantly reducing lattice thermal conductivity. As a result, the Cd\n                    <jats:sub>0.46<\/jats:sub>\n                    Cu\n                    <jats:sub>0.04<\/jats:sub>\n                    Zn\n                    <jats:sub>0.5<\/jats:sub>\n                    Sb material achieves a high\n                    <jats:italic>ZT<\/jats:italic>\n                    of 1.5 at 573 K. Its high performance is verified by integrated TE devices. This work validates Cd\n                    <jats:sub>1\u2212<\/jats:sub>\n                    <jats:italic>\n                      <jats:sub>x<\/jats:sub>\n                    <\/jats:italic>\n                    Zn\n                    <jats:italic>\n                      <jats:sub>x<\/jats:sub>\n                    <\/jats:italic>\n                    Sb Zintl phases as highly efficient p\u2010type TE materials for practical applications.\n                  <\/jats:p>","DOI":"10.1002\/anie.7271276","type":"journal-article","created":{"date-parts":[[2026,9,21]],"date-time":"2026-09-21T15:23:44Z","timestamp":1790004224000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Unlocking High\u2010Performance Te\u2010Free p\u2010Type Thermoelectrics via Cu Doping in Entropy\u2010Engineered Cd\n                    <sub>0.5<\/sub>\n                    Zn\n                    <sub>0.5<\/sub>\n                    Sb Zintl"],"prefix":"10.1002","volume":"65","author":[{"ORCID":"https:\/\/orcid.org\/0009-0001-5206-6920","authenticated-orcid":false,"given":"Chen","family":"Li","sequence":"first","affiliation":[{"name":"School of Chemistry and Chemical Engineering Nanjing University of Science and Technology  Nanjing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jie","family":"Huang","sequence":"additional","affiliation":[{"name":"School of Chemistry and Chemical Engineering Nanjing University of Science and Technology  Nanjing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yujie","family":"Zhang","sequence":"additional","affiliation":[{"name":"School of Chemistry and Chemical Engineering Nanjing University of Science and Technology  Nanjing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0001-7818-0617","authenticated-orcid":false,"given":"Hao","family":"Yang","sequence":"additional","affiliation":[{"name":"School of Chemistry and Chemical Engineering Nanjing University of Science and Technology  Nanjing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Haorui","family":"Hua","sequence":"additional","affiliation":[{"name":"School of Chemistry and Chemical Engineering Nanjing University of Science and Technology  Nanjing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dan","family":"Feng","sequence":"additional","affiliation":[{"name":"Analytical and Testing Center Northwestern Polytechnical University  Xi'an China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhen\u2010Hua","family":"Ge","sequence":"additional","affiliation":[{"name":"Faculty of Materials Science and Engineering Kunming University of Science and Technology  Kunming China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4724-657X","authenticated-orcid":false,"given":"Ming","family":"Huang","sequence":"additional","affiliation":[{"name":"School of Materials Science and Engineering Nanjing University of Science and Technology  Nanjing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7591-6676","authenticated-orcid":false,"given":"Xiyang","family":"Wang","sequence":"additional","affiliation":[{"name":"School of Materials Science and Engineering Key Laboratory for Anisotropy and Texture of Materials (Ministry of Education) Northeastern University  Shenyang China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dan","family":"Zhang","sequence":"additional","affiliation":[{"name":"Key Laboratory of High\u2010precision Computation and Application of Quantum Field Theory of Hebei Province College of Physics Science and 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