Tsutsumi's group (Energy & Functional Materials), Yamaguchi University

　
Lab. members celebrated Prof. Tsutsumi 's birthday.
Happy birthday!

Location: Makuhari Messe (Tokyo)
Attendee: Kohei Nagata, Kazuhide Ueno, Hiromori Tsutsumi

<Oral>
Dec. 1
3B15 「多孔質カーボン内包硫黄−有機化合物複合体の調製とその正極材料へ応用」
Kohei Nagata, Kanae Itaoka, Kazuhiro Yamabuki, Kazuhide Ueno, Hiromori Tsutsumi

　　

Location: ANA Crowne Plaza Hotel Ube
Attendee: Current and Past Lab members

It was a good opportunity for students to think about their future.
Thank you very much for join us from a long distance!
Looking forward to seeing you next year.

　　
　　

　

Location: Torigin Bunka Kaikan (Tottori)
Attendee: Ryutaro Isobe, Michika Kijima, Yuta Kenmizaki, Seiko Hirata, Kenta Nishida, Ryansu Sai, Jun Toshimitsu, Masato Shigemasu, Toshiki Yamamoto, Kazuhide Ueno

<Oral>
Nov. 24 OA02 「階層的な細孔を有する多孔性炭素繊維の調製及びそのリチウム二次電池への応用」
Jun Toshimitsu, Kazuhide Ueno, Hiromori Tsutsumi

<Poster>
Nov. 24
PA09「ポリオキセタン型電解質のリチウムイオン輸送における側鎖構造の寄与」
Ryansu Sai, Kazuhide Ueno, Seiko Hirata, Hiromori Tsutsumi
PA10 「アルキル側鎖を有するポリオキセタン誘導体をマトリックスとするポリマー電解質の特性」
Seiko Hirata, Ryansu Sai, Kazuhide Ueno, Hiromori Tsutsumi
PB09 「オキセタンのカチオン開環重合系における環状オリゴマーの選択的合成条件の探索」
Ryutaro Isobe, Ryansu Sai, Kazuhide Ueno, Hiromori Tsutsumi
Nov. 25
PC06 「側鎖にピリミジン環を有する重合体の合成とその真性ポリマー電解質への応用」
Toshiki Yamamoto, Kazuhide Ueno, Hiromori Tsutsumi
PC07 「微粒子配合ファイバーを鋳型に用いた極細酸化銅チューブの作製とその構造評価」
Masato Shigemasu, Kazuhide Ueno, Hiromori Tsutsumi

Location: Yoshida Campus, Kyoto University
Attendee: Kazuhide Ueno

<Invited>
「リチウム系二次電池用電解質としての溶媒和イオン液体の設計」 Kazuhide Ueno

　　　　　　

We had BBQ party with lab members!
Main dish, grilled pacific saury was very tasty!
(We struggled to optimize grilling time…)

　

　

　

Location: Yokohama Campus, Kanagawa University
Attendee: Ryansu Sai, Jun Toshimitsu, Masato Shigemasu, Kohei Nagata, Kazuhide Ueno, Hiromori Tsutsumi

<Oral>
Sep. 14
1X05 「異なる側鎖構造を有するポリオキセタン誘導体をマトリックスとする高分子固体電解質の特性評価」
Ryansu Sai, Kazuhide Ueno, Seiko Hirata, Hiromori Tsutsumi
Sep. 15
2J04「微粒子担持ファイバーを鋳型に用いた極細酸化銅チューブの作製とその特性評価」
Masato Shigemasu, Kazuhide Ueno, Hiromori Tsutsumi
2X04「長鎖アルキル基を有するアルケニル化合物と硫黄からなる共重合体の調製とその電気化学的特性評価」
Kohei Nagata, Kanae Itaoka, Kazuhiro Yamabuki, Kazuhide Ueno, Hiromori Tsutsumi
2X05「電界紡糸法により調製した多孔性炭素繊維の特性評価及びそのリチウム硫黄電池への応用」
Jun Toshimitsu, Kazuhide Ueno, Hiromori Tsutsumi

We had an expedition to Yokohama and oral presentations on recent research results.
We reunited with alumni, Dr. Nakano who is currently doctoral researcher at Sophia University.

Location: Bo-cho-en, Yamaguchi
Attendee: Yuta Kenmizaki, Ryo Taniguchi, Kazuhide Ueno, Hiromori Tsutsumi

<Invited>
Sep. 1
「グライム-Li塩溶融錯体：イオン液体への分類とリチウム二次電池電解質としての応用」
Kazuhide Ueno

<Poster>
Sep. 2
P12「様々な電解液における硫黄、ポリスルフィドの溶解度測定と各パラメータとの関係性評価」
Hirotaka Yogo, Kazuhide Ueno, Hiromori Tsutsumi
P13「極細硫黄ファイバーに硫化銅を被覆した硫黄/硫化銅複合ファイバーの調製とその正極材料への応用」
Ryo Taniguchi, Kazuhide Ueno, Hiromori Tsutsumi
P14「レドックス特性を付与した機能性溶媒和イオン液体の創製」
Yuta Kenmizaki, Kazuhide Ueno, Hiromori Tsutsumi

We presented research results which obtained by hard work during this summer.
In addition, we were able to interact with researchers from other lab in Kyushu district.

　

We had lab cleaning before the summer break.
After the lab cleaning, we had a beer party at the rooftop bar at ANA Crown Plaza Ube (so-called "beer garden").

　

　

We had softball games over chemistry department labs.
Surprisingly, our laboratory won the 4th place!
Next year, we will become champion!

　　　

Location: Kobe Convention Center
Attendee: Ryansu Sai, Jun Toshimitsu, Masato Shigemasu, Hiromori Tsutsumi

<Poster>
May 26
2Pd082「微粒子を含む極細繊維を鋳型とする極細酸化銅チューブの作製とその構造評価」
Masato Shigemasu, Kazuhide Ueno, Hiromori Tsutsumi
May 27
3Pd064「PAN/PMMA複合ファイバーを前駆体とした多孔性炭素不織布の調製とそのリチウム硫黄電池の正極材料への応用」
Jun Toshimitsu, Kazuhide Ueno, Hiromori Tsutsumi
3Pd065「極性基を有するポリオキセタン型固体高分子電解質中のLi+溶媒和と電気化学特性」
Ryansu Sai, Kazuhide Ueno, Yohei Nakano, Naho Shigaki, Hiromori Tsutsumi

We presented our recent research at 65th SPSJ Annual Meeting.
We recieved valuable feedbacks from many researchers during poster presentation.

　

Location: Harbourview Function Centre, Newcastle, Australia
Attendee: Kazuhide Ueno

<Invited>
May 25
"Glyme-Li salt molten complexes: classification into ionic liquids and use as electrolyte in lilthium-sulfur batteries" Kazuhide Ueno

Prof. Ueno was invited to the symposium of ionic liquids held in Newcastle, Australia, and shared our recent research results.

　

Six undergraduate students and one doctoral student joined our group this year.

On Apr. 5, we went to Tokiwa Park and held “Hanami,” which is a simple party to enjoy cherry-blossoms.

On Apr. 11, we held Welcome Party for New Members with various recreations
(Self-introduction, bowling competition, arcade games, drinking party, etc.…)
I am looking forward to seeing you as a researcher next year. Let's do your best!

　　

　　　　　　　　　　　　　

Location: Osaka University
Attendee: Hirotaka Yogo, Toshiki Yamamoto, Kazuhide Ueno, Hiromori Tsutsumi

<Oral>
Mar. 29
1B18 「様々な電解液中におけるリチウムポリスルフィドの溶解性評価」
Hirotaka Yogo, Kazuhide Ueno, Hiromori Tsutsumi
Mar. 31
3T01 「ピリミジン環を側鎖に有するアクリルアミド誘導体を用いた真性ポリマー電解質の調製とその特性評価」
Toshiki Yamamoto, Youhei Nakano, Kazuhide Ueno, Hiromori Tsutsumi

<Award lecture>
1C23「イオン液体および常温溶融錯体のイオン輸送特性の解析と蓄電デバイスへの応用」　
Kazuhide Ueno

Prof. Kazuhide Ueno received Young Researcher Award of The Electrochemical Society of Japan (Sano Award).
Congratulations Prof. Ueno!

　

<Oral>
"Glyme-Li salt molten complexes: classification into ionic liquids and use as electrolyte in high energy density batteries" Kazuhide Ueno

Four faculty members from the chemistry department visited University College London (UCL) and accelerate collaboration between Yamaguchi Univercity and UCL.

　　　　　　　



Congratulations on your graduation!
Two undergrads, five master's students, and one doctoral student graduated from our group this year.
We hope great success in your future career!

　

We have a formal party for students who will graduate this March.

Ms. Naho Shigaki and Mr. Ryansu Sai is awarded the CSJ Chugoku-Shikoku Branch Prize at the party.
And Mr. Sai also received Best Presentation Prize for Graduation research presentation.
Congrats, both of you!

　

　

　

Five undergraduate students presented their research.

<Oral>
「水系リチウムイオン電池への応用に向けたリチウム塩モルテンハイドレートの基礎的物性評価」 Koki Umezu
「極性基を有するポリオキセタン中におけるリチウムイオンの挙動」 Ryansu Sai
「非水系レドックスフロー電池を目指したフェロセン誘導体分子の電気化学測定」 Koji Takarabe
「電界紡糸法による多孔性炭素繊維の調製とリチウム硫黄電池への応用」 Jun Toshimitsu
「様々な電解液中におけるリチウムポリスルフィドの溶解性評価と電解液特性評価」 Hirotaka Yogo

After that, we had a drinking party with lab members!

　

　

Congratulations to Dr. Yohei Nakano for his successful defense!
His presentation contained his 5 years research results in Tsutsumi lab including polymerization behavior of oxetane derivatives or cyclic oligomer formation as well as the development of solid polymer electrolytes using oxetane-polymer.

「様々な側鎖を有するオキセタン誘導体の合成とそのポリマー電解質への応用に関する研究」 Yohei Nakano

　

　

On Feb. 12, master’s thesis defense was held at faculty of engineering.
And on Feb. 13, master’s thesis defense was held jointly with medical school and science department.
Students presented summary of their 3 years of research at Tsutsumi lab.

<Oral>
Feb. 12
「水酸基を有するアルケニル化合物と硫黄からなる複合体の合成とリチウム二次電池用正極材料への応用」Takahiro Shinchi
「側鎖構造の異なるオキセタン誘導体の合成とそのカチオン開環重合挙動」Naho Shigaki
「ビオチン修飾ポリ(ヒドロキシエチルメタクリレート)不織布の作製とその特性評価」Masakazu Tomisaki
「二ホウ化マグネシウムの二次電池負極材料としての可能性評価」Ryo Nakahata
「シクロデキストリンによる多硫化物の包接能の確認と応用」Keisuke Shime
Feb. 13
「様々な側鎖を有するオキセタン誘導体の合成とそのポリマー電解質への応用に関する研究」Yohei Nakano

<Poster >
Feb. 13
「水酸基を有するアルケニル化合物と硫黄からなる複合体の合成とリチウム二次電池用正極材料への応用」Takahiro Shinchi
「側鎖構造の異なるオキセタン誘導体の合成とそのカチオン開環重合挙動」Naho Shigaki
「ビオチン修飾ポリ(ヒドロキシエチルメタクリレート)不織布の作製とその特性評価」Masakazu Tomisaki
「二ホウ化マグネシウムの二次電池負極材料としての可能性評価」Ryo Nakahata
「シクロデキストリンによる多硫化物の包接能の確認と応用」Keisuke Shime