Battery Diaries Chp 8
Hello everyone!
Today, I would like to share with you the progress of my journey as described in Battery Diaries Chapter 7 (link). In that chapter, I discussed the project acceptance process and my initial months. Now, I will talk about the experiences I gained in the 2247-C STAR Trainee Researcher Scholarship Program, which concluded on January 18, 2025, as well as the other endeavors I undertook during this six-month period, such as attending energy storage summits and working on my semester project titled “PEO as a Polymer Electrolyte.”
To begin, I’d like to detail the work I contributed to within the TÜBİTAK STAR program as part of the project titled “Piezoelectric Material-Doped Sb/C Composite Anodes for Sodium-Ion Batteries.”
As I mentioned in Chapter 7, we held regular weekly meetings (every Monday) with my project teammates and the project supervisor, Dr. Taha Demirkan. During the first part of these meetings, each team member, including myself, presented the topic they worked on that week in English. After all the presentations were completed, we evaluated the laboratory results from previous weeks and discussed the progress of the project. Additionally, we planned task assignments and scheduling for the upcoming week.
As I also noted in Chapter 7, we primarily followed three main books for our weekly presentations. Beyond these, we occasionally studied and presented articles or reports from other projects.
Below, I have listed the resources I presented during the project, including the links and the portions I covered in my presentations.
Resources Presented During the Project
1. Book:Handbook of Battery Materials
Sections Presented:
Thermodynamics and Mechanistics (Part 1, Chapter 1)
Rechargeable Lithium Anodes (Part 2, Chapter 3)
2. Book: Fundamentals of Electrochemistry
Sections Presented: From the beginning of the book up to Chapter 8.
3. Book: Li-ion Piller ve Uygulamaları (Li-ion Batteries and Their Applications)
Details: I completed the entire book; however, not all sections were presented.
Regarding the laboratory studies, the number of samples we prepared weekly varied depending on the progress of the project. During the initial months of the project, we focused on determining the Sb/C ratio that provided the highest energy density and the longest cycle life before incorporating piezoelectric material additives. After identifying the optimal ratio based on our experimental results, we proceeded to prepare samples by adding the piezoelectric materials available to us.
Beside labratory work and research, I had the opportunity to attend two significant events that have greatly enriched my knowledge in the energy storage and battery technology sectors.
On September 16-17, I participated in the Energy Storage Congress (https://lnkd.in/dv7td-qF) in Ankara. It was an enlightening experience where I gained insights from industry leaders.
Notable speakers included:
Bilal Akgündüz, highlighted recent advancements in battery systems for electric transportation, focusing on the challenges and future developments in the sector.
Hakki K., provided a detailed overview of upcoming changes in energy storage technologies and the transformations expected soon.
Tayfun Koçak, who discussed potential collaboration models between China and Turkey within the energy storage sector, offering strategic insights.
I have just concluded the [Battery Technologies Summit](https://lnkd.in/dt-MZsvf) in Gebze, which took place from September 25-26. This event was a deep dive into the latest battery production, management, and recycling systems advancements. Some of the standout presentations that inspired me were:
Pengcheng Kang from SVOLT Energy Technology, delivered a compelling talk on defining energy storage systems from the cell level, providing a detailed analysis of battery cell architectures.
Seo Jung-il from LG Energy Solution, who discussed cylindrical battery line-up for e-mobility applications, outlining innovations in battery design for electric vehicles.
Ali Tarek Mourad, MBA from Novocycle, introduced a shredding-free revolution in lithium-ion battery recycling, presenting innovative methods that reduce waste and improve sustainability.
Kun Tang from HiNa Battery Technology, explored sodium-ion batteries as a sustainable energy storage technology, discussing their potential to solve resource limitation issues.
Michael Zeitler from SICK Sensor Intelligence, offered valuable insights into “quality control throughout the battery production process”, focusing on enhancing efficiency and precision.
Luke Hu from Electroder, updated us on the “progression of lithium-ion cell formats and their latest developments in the Asian market”.
Kevin Bressler from Univercell, shared his expertise on “the versatility of 21700 cylindrical cells”, emphasizing their flexibility and importance in various applications.
Both events were excellent platforms for expanding my network, gaining hands-on insights into the latest technologies, and discussing future industry trends. I would like to extend my sincere thanks to Bilişim Vadisi for their support in covering my entrance fee to the Battery Technologies Summit. Their backing has enabled me to deepen my engagement with the field and stay at the forefront of industry developments.
Lastly In Chapter 8, I would like to discuss the term project titled PEO as a Polymer Electrolyte, which I have explained in detail as a separate blog post on my website: Link to the blog post.
When I was writing Chapter 7, it was the time for course selection for the fall semester of my third year. Apart from the courses offered by my department, I was required to take a technical elective. Amid a sea of relatively easier options, I decided to take a bold step and enrolled in Introduction to Polymer Science and Engineering, a course offered by the Department of Materials Science and Engineering (course details).
The primary reason I chose this course was the vastness and versatility of the polymer industry, coupled with my belief that the future of rechargeable batteries lies in solid-state batteries and solid polymer electrolytes. The lack of a dedicated polymer science course in the Chemical Engineering curriculum at my university made this elective an exciting opportunity to build a foundation in polymer science.
I knew it would be challenging, and it indeed turned out to be a tough semester. However, by the end, after completing two research projects and their presentations, I could confidently say, “Thankfully, I took this course!”
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