Research on high specific energy solid state lithium battery technology
Xi'an Jiaotong-Liverpool University (XJTLU), School of Robotics. Supervisor: Dr Chenguang Liu.
Applications accepted all year round. Self-Funded PhD Students Only.
About the Project
To cultivate research talents with global leadership, interdisciplinary innovation capabilities, and international research collaboration capabilities, Xi'an Jiaotong-Liverpool University (XJTLU) fully leverages its characteristics of international education and builds upon the long-established strategic cooperation among XJTLU, Xi'an Jiaotong University (XJTU), and the University of Liverpool (UoL). This initiative integrates top-tier research resources to launch a Joint Doctoral Supervision Programme across the three institutions.
All-solid-state energy storage batteries are a key direction in the development of next-generation energy technologies. They provide critical technical support for achieving the dual-carbon goals, building new power systems, and promoting energy structure transformation. A major limitation of conventional liquid lithium-ion batteries is the risk of leakage and combustion due to flammable organic electrolytes, which frequently leads to safety incidents. Replacing these with non-flammable, leak-proof solid electrolytes significantly enhances battery safety, minimizes fire and explosion risks, and ensures intrinsic safety.
However, several scientific and technical challenges remain for all-solid-state lithium batteries, including: scalable fabrication of solid electrolyte films with high ionic conductivity and electrochemical stability; low-impedance solid–solid interface engineering; development of high specific energy electrode materials suitable for solid-state systems; and integrated cell design and optimization.
This project focuses on addressing these critical issues through the study of high-conductivity solid electrolytes, composite electrolyte films, ultra-thin lithium metal anodes, solid–solid interfacial stability, and advanced structural designs for solid-state batteries. The goal is to establish a theoretical framework for high-performance solid electrolytes, fabricate high-conductivity electrolyte films, resolve interfacial stability problems, develop ultra-thin alloy lithium anodes, and ultimately realize high-energy-density soft-pack solid-state lithium batteries.
The project scope may be adjusted appropriately according to project requirements or research needs.
Joint Supervisory Team:
- XJTLU supervisor: Dr Chenguang Liu
- XJTU supervisor: Professor Xiaogang Han
- UoL supervisor: Professor Laurence Hardwick
Requirements:
A UK first-class or upper second-class honours Bachelor's degree and a UK Master's degree with Merit (or their equivalent) are required for PhD admissions. Exceptional candidates holding only a Bachelor's degree may be considered on an individual basis.
Evidence of good spoken and written English is essential. The candidate should have an IELTS (or equivalent) score of 6.5 or above, if the first language is not English.
For more information about entry requirements and admission procedures of PhD programme at XJTLU, please visit:
- Entry Requirement - Xi'an Jiaotong-Liverpool University
- How to Apply - Xi'an Jiaotong-Liverpool University
Other Requirements (if any):
- The candidate should have a solid academic foundation in chemistry, materials science, energy storage, electrochemistry, or related disciplines, with particular interest in next-generation battery technologies.
- The candidate should be familiar with organic or inorganic synthesis, surface/interface engineering, or the fabrication and testing of electrochemical devices, especially lithium-based energy storage systems.
- Familiarity with characterization techniques such as SEM, TEM, XPS, XRD, Raman, or NMR is expected. Experience in interpreting data from these methods to understand material structures and interfaces is desirable.
- A strong motivation to pursue independent research addressing key scientific and engineering challenges in solid-state lithium battery technology.
- Strong collaborative and communication skills are essential. The project involves joint supervision across XJTLU, XJTU, and the University of Liverpool, and may include research visits and cross-institutional collaboration.
Programme Structure and Fees:
Doctoral students in the joint programme are registered with both XJTLU and the UoL. Upon successful completion of the programme, the students will be awarded a PhD degree from University of Liverpool. During their doctoral studies at XJTLU, students are expected to conduct research at XJTU as visiting students. Additionally, students have the opportunity to apply for a short-term research visit to the UoL if the project requires it.
The joint doctoral programme is offered on a full-time basis, with a typical duration of three to four years. The tuition fee is RMB 99,000 per year.
How to Apply:
Interested applicants are advised to email Dr Chenguang Liu (chenguang.liu02@xjtlu.edu.cn) or Professor Xiaogang Han (xiaogang.han@xjtu.edu.cn) the following documents for initial review and assessment (Please include the project title in the subject line):
- CV
- Two formal reference letters
- Personal statement outlining your interest in the position
- Certificates of English language qualifications (IELTS or equivalent)
- Full academic transcripts in both Chinese and English (for international students, only the English version is required)
- Verified certificates of education qualifications in both Chinese and English (for international students, only the English version is required)
- PDF copy of Master Degree dissertation (or an equivalent writing sample) and examiners reports available
Where will I study?
Xi'an Jiaotong-Liverpool University
Xi'an Jiaotong-Liverpool University (XJTLU) is an international joint-venture university founded by Xi'an Jiaotong University in China and the University of Liverpool in the UK, which captures the essence of both parent universities, offering students the opportunity to obtain globally recognised UK degree and a unique life experience within China.
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