Fully Lithiated Li<sub><i>x</i></sub>TiO<sub>2−δ</sub> Layer Coated Separator for Securing a Lithium-less Anode in an Ester-Based Electrolyte
Ester-based electrolytes, known for their cost-effectiveness and wide voltage windows, face compatibility challenges with lithium metal (Li<sup>0</sup>), leading to irreversible decomposition and dendrite growth, which impede their application in high-energy-density lithium metal batteri...
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2025
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| _version_ | 1852019790558789632 |
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| author | Baogang Zhao (19139738) |
| author2 | Nuttapon Yodsin (6760856) Haoyu Ma (12190828) Phornphimon Maitarad (1417432) Wanwisa Limphirat (5474471) Zhuobin Han (21463654) Yinghao Zhou (10106450) Mengjia Yu (19139732) Kexin Liu (1547230) Bingqing Yan (8531742) Xiaoyang Zhao (280499) Guorong Chen (1805383) Xin Feng (111466) Rongrong Jia (2220763) Liyi Shi (1366401) Shuai Yuan (305841) Yingying Lv (1645591) |
| author2_role | author author author author author author author author author author author author author author author author |
| author_facet | Baogang Zhao (19139738) Nuttapon Yodsin (6760856) Haoyu Ma (12190828) Phornphimon Maitarad (1417432) Wanwisa Limphirat (5474471) Zhuobin Han (21463654) Yinghao Zhou (10106450) Mengjia Yu (19139732) Kexin Liu (1547230) Bingqing Yan (8531742) Xiaoyang Zhao (280499) Guorong Chen (1805383) Xin Feng (111466) Rongrong Jia (2220763) Liyi Shi (1366401) Shuai Yuan (305841) Yingying Lv (1645591) |
| author_role | author |
| dc.creator.none.fl_str_mv | Baogang Zhao (19139738) Nuttapon Yodsin (6760856) Haoyu Ma (12190828) Phornphimon Maitarad (1417432) Wanwisa Limphirat (5474471) Zhuobin Han (21463654) Yinghao Zhou (10106450) Mengjia Yu (19139732) Kexin Liu (1547230) Bingqing Yan (8531742) Xiaoyang Zhao (280499) Guorong Chen (1805383) Xin Feng (111466) Rongrong Jia (2220763) Liyi Shi (1366401) Shuai Yuan (305841) Yingying Lv (1645591) |
| dc.date.none.fl_str_mv | 2025-06-02T16:09:38Z |
| dc.identifier.none.fl_str_mv | 10.1021/acsnano.5c03410.s002 |
| dc.relation.none.fl_str_mv | https://figshare.com/articles/media/Fully_Lithiated_Li_sub_i_x_i_sub_TiO_sub_2_sub_Layer_Coated_Separator_for_Securing_a_Lithium-less_Anode_in_an_Ester-Based_Electrolyte/29213050 |
| dc.rights.none.fl_str_mv | CC BY-NC 4.0 info:eu-repo/semantics/openAccess |
| dc.subject.none.fl_str_mv | Biochemistry Medicine Developmental Biology Plant Biology Chemical Sciences not elsewhere classified wide voltage windows solid electrolyte interface face compatibility challenges average coulombic efficiency electrochemical prelithiation strategy promoting uniform li fully lithiated li avg </ sub layer coated separator based electrolyte ester 0 </ sup x </ effective strategy coated polypropylene based electrolytes limited li li anodes work provides work develops sub >< side reaction oxygen vacancies nmc811 cathodes maintain 90 lmbs ). irreversible decomposition generation lmbs full cells free cu dendrite growth cycling stability contact area capacity retention areal capacity ></ sub 85 %. 60 cycles 40 μm 100 cycles |
| dc.title.none.fl_str_mv | Fully Lithiated Li<sub><i>x</i></sub>TiO<sub>2−δ</sub> Layer Coated Separator for Securing a Lithium-less Anode in an Ester-Based Electrolyte |
| dc.type.none.fl_str_mv | Dataset Media info:eu-repo/semantics/publishedVersion dataset |
| description | Ester-based electrolytes, known for their cost-effectiveness and wide voltage windows, face compatibility challenges with lithium metal (Li<sup>0</sup>), leading to irreversible decomposition and dendrite growth, which impede their application in high-energy-density lithium metal batteries (LMBs). This work develops an electrochemical prelithiation strategy to obtain a fully lithiated Li<sub><i>x</i></sub>TiO<sub>2−δ</sub> coated polypropylene (PP) separator with oxygen vacancies, preventing the depletion of limited Li<sup>0</sup> resources while promoting uniform Li<sup>0</sup> plating. Moreover, the dense closest packing structure of Li<sub><i>x</i></sub>TiO<sub>2−δ</sub> can reduce the contact area and side reaction between Li<sup>0</sup> and ester-based electrolytes, stabilizing the solid electrolyte interface (SEI) on Li<sup>0</sup>. Symmetric Li cells operating under 1.0 mA cm<sup>–2</sup> and 1.0 mA h cm<sup>–2</sup> demonstrate a long cycle life exceeding 5000 h. Full cells with NMC811 cathodes (4.3 mA h cm<sup>–2</sup> areal capacity) and Li anodes (40 μm, N/P ratio ≈ 1.9) maintain 90% capacity retention after 100 cycles with an average Coulombic efficiency (CE<sub>avg</sub>) exceeding 99.85%. The anode-free Cu|NMC811 cells also show a CE<sub>avg</sub> of 98.36% after 60 cycles. This work provides a cost-effective strategy to enhance the safety, cycling stability, and energy density of next-generation LMBs. |
| eu_rights_str_mv | openAccess |
| id | Manara_56d3d00c8e34f7d76ffbe1cd8ec8fcf8 |
| identifier_str_mv | 10.1021/acsnano.5c03410.s002 |
| network_acronym_str | Manara |
| network_name_str | ManaraRepo |
| oai_identifier_str | oai:figshare.com:article/29213050 |
| publishDate | 2025 |
| repository.mail.fl_str_mv | |
| repository.name.fl_str_mv | |
| repository_id_str | |
| rights_invalid_str_mv | CC BY-NC 4.0 |
| spelling | Fully Lithiated Li<sub><i>x</i></sub>TiO<sub>2−δ</sub> Layer Coated Separator for Securing a Lithium-less Anode in an Ester-Based ElectrolyteBaogang Zhao (19139738)Nuttapon Yodsin (6760856)Haoyu Ma (12190828)Phornphimon Maitarad (1417432)Wanwisa Limphirat (5474471)Zhuobin Han (21463654)Yinghao Zhou (10106450)Mengjia Yu (19139732)Kexin Liu (1547230)Bingqing Yan (8531742)Xiaoyang Zhao (280499)Guorong Chen (1805383)Xin Feng (111466)Rongrong Jia (2220763)Liyi Shi (1366401)Shuai Yuan (305841)Yingying Lv (1645591)BiochemistryMedicineDevelopmental BiologyPlant BiologyChemical Sciences not elsewhere classifiedwide voltage windowssolid electrolyte interfaceface compatibility challengesaverage coulombic efficiencyelectrochemical prelithiation strategypromoting uniform lifully lithiated liavg </ sublayer coated separatorbased electrolyte ester0 </ supx </effective strategycoated polypropylenebased electrolyteslimited lili anodeswork provideswork developssub ><side reactionoxygen vacanciesnmc811 cathodesmaintain 90lmbs ).irreversible decompositiongeneration lmbsfull cellsfree cudendrite growthcycling stabilitycontact areacapacity retentionareal capacity></ sub85 %.60 cycles40 μm100 cyclesEster-based electrolytes, known for their cost-effectiveness and wide voltage windows, face compatibility challenges with lithium metal (Li<sup>0</sup>), leading to irreversible decomposition and dendrite growth, which impede their application in high-energy-density lithium metal batteries (LMBs). This work develops an electrochemical prelithiation strategy to obtain a fully lithiated Li<sub><i>x</i></sub>TiO<sub>2−δ</sub> coated polypropylene (PP) separator with oxygen vacancies, preventing the depletion of limited Li<sup>0</sup> resources while promoting uniform Li<sup>0</sup> plating. Moreover, the dense closest packing structure of Li<sub><i>x</i></sub>TiO<sub>2−δ</sub> can reduce the contact area and side reaction between Li<sup>0</sup> and ester-based electrolytes, stabilizing the solid electrolyte interface (SEI) on Li<sup>0</sup>. Symmetric Li cells operating under 1.0 mA cm<sup>–2</sup> and 1.0 mA h cm<sup>–2</sup> demonstrate a long cycle life exceeding 5000 h. Full cells with NMC811 cathodes (4.3 mA h cm<sup>–2</sup> areal capacity) and Li anodes (40 μm, N/P ratio ≈ 1.9) maintain 90% capacity retention after 100 cycles with an average Coulombic efficiency (CE<sub>avg</sub>) exceeding 99.85%. The anode-free Cu|NMC811 cells also show a CE<sub>avg</sub> of 98.36% after 60 cycles. This work provides a cost-effective strategy to enhance the safety, cycling stability, and energy density of next-generation LMBs.2025-06-02T16:09:38ZDatasetMediainfo:eu-repo/semantics/publishedVersiondataset10.1021/acsnano.5c03410.s002https://figshare.com/articles/media/Fully_Lithiated_Li_sub_i_x_i_sub_TiO_sub_2_sub_Layer_Coated_Separator_for_Securing_a_Lithium-less_Anode_in_an_Ester-Based_Electrolyte/29213050CC BY-NC 4.0info:eu-repo/semantics/openAccessoai:figshare.com:article/292130502025-06-02T16:09:38Z |
| spellingShingle | Fully Lithiated Li<sub><i>x</i></sub>TiO<sub>2−δ</sub> Layer Coated Separator for Securing a Lithium-less Anode in an Ester-Based Electrolyte Baogang Zhao (19139738) Biochemistry Medicine Developmental Biology Plant Biology Chemical Sciences not elsewhere classified wide voltage windows solid electrolyte interface face compatibility challenges average coulombic efficiency electrochemical prelithiation strategy promoting uniform li fully lithiated li avg </ sub layer coated separator based electrolyte ester 0 </ sup x </ effective strategy coated polypropylene based electrolytes limited li li anodes work provides work develops sub >< side reaction oxygen vacancies nmc811 cathodes maintain 90 lmbs ). irreversible decomposition generation lmbs full cells free cu dendrite growth cycling stability contact area capacity retention areal capacity ></ sub 85 %. 60 cycles 40 μm 100 cycles |
| status_str | publishedVersion |
| title | Fully Lithiated Li<sub><i>x</i></sub>TiO<sub>2−δ</sub> Layer Coated Separator for Securing a Lithium-less Anode in an Ester-Based Electrolyte |
| title_full | Fully Lithiated Li<sub><i>x</i></sub>TiO<sub>2−δ</sub> Layer Coated Separator for Securing a Lithium-less Anode in an Ester-Based Electrolyte |
| title_fullStr | Fully Lithiated Li<sub><i>x</i></sub>TiO<sub>2−δ</sub> Layer Coated Separator for Securing a Lithium-less Anode in an Ester-Based Electrolyte |
| title_full_unstemmed | Fully Lithiated Li<sub><i>x</i></sub>TiO<sub>2−δ</sub> Layer Coated Separator for Securing a Lithium-less Anode in an Ester-Based Electrolyte |
| title_short | Fully Lithiated Li<sub><i>x</i></sub>TiO<sub>2−δ</sub> Layer Coated Separator for Securing a Lithium-less Anode in an Ester-Based Electrolyte |
| title_sort | Fully Lithiated Li<sub><i>x</i></sub>TiO<sub>2−δ</sub> Layer Coated Separator for Securing a Lithium-less Anode in an Ester-Based Electrolyte |
| topic | Biochemistry Medicine Developmental Biology Plant Biology Chemical Sciences not elsewhere classified wide voltage windows solid electrolyte interface face compatibility challenges average coulombic efficiency electrochemical prelithiation strategy promoting uniform li fully lithiated li avg </ sub layer coated separator based electrolyte ester 0 </ sup x </ effective strategy coated polypropylene based electrolytes limited li li anodes work provides work develops sub >< side reaction oxygen vacancies nmc811 cathodes maintain 90 lmbs ). irreversible decomposition generation lmbs full cells free cu dendrite growth cycling stability contact area capacity retention areal capacity ></ sub 85 %. 60 cycles 40 μm 100 cycles |