Welcome   ようこそ   Mabuhay

Welcome to my personal website. I am passionate about many endeavors: writing, traveling, photography, and most of all, science — here you will find updates on these various pursuits.

 

What’s New?

1 November 2021

Our paper has been published in Journal of Materials Chemistry A:

On the role of surfaces and interfaces in electrochemical performance and long-term stability of nanostructured LSC thin film electrodes

23 October 2021

Delivered a plenary talk, “Innovating energy materials for zero-carbon societies,” in the online meeting of the 39th Samahang Pisika ng Pilipinas Physics Conference and Annual Meeting held　on October 20-22, 2021.

10月20日～22日にオンラインで開催した39th Samahang Pisika ng Pilipinas Physics Conference and Annual Meeting （フィリピン物理学会講演会）に参加し、「ゼロカーボン社会のための革新的なエネルギー材料」に関してプレナリー講演を行った。

18 September 2021

Delivered an invited talk, “Energy materials for solid oxide cell applications,” in the online meeting of the 1st International Forum on Additive Manufacturing and Advance Materials (IFAMAM2021) organized by Bataan Peninsula State University held on September 15-17, 2021.

9月15日～17日にオンラインで開催した1st International Forum on Additive Manufacturing and Advance Materials (IFAMAM2021) 国際学会に参加し、「固体酸化物形セル用のエネルギー材料」に関して招待講演を行った。

25 June 2021

Our paper has been published in Nature Communications:

Nanoengineering of cathode layers for solid oxide fuel cells to achieve superior power densities, K. Develos-Bagarinao, T. Ishiyama, H. Kishimoto, H. Shimada, K. Yamaji, Nature Communications (IF: 14.92) 12, 3979 (2021)

The full text of the article can be accessed here

I also contributed a blog post about our paper in the Nature Portfolio Device & Engineering community. Access the blog post here

Nature Communicationsジャーナルに論文が公開されました。オープンアクセスはこちら

また、ネイチャーポートフォリオのデバイス＆エンジニアリングのコミュニティに本論文に関してブログ記事が掲載されました。ブログ記事へのアクセスはこちら

11 February 2021

Delivered an invited talk, “Degradation phenomena at heterointerfaces of solid oxide fuel cells,” in the online meeting of the 18th International Symposium on Solid Oxide Cells (SOC): Materials, Science, and Technology in the 45th International Conference and Expo on Advanced Ceramics and Composites (ICACC2021) held last February 8-11, 2021.

オンラインで開催した45th International Conference and Expo on Advanced Ceramics and Composites (ICACC2021)国際学会に参加し、18th International Symposium on Solid Oxide Cells (SOC): Materials, Science, and Technologyのシンポジウムに「固体酸化物形燃料電池のヘテロ界面における劣化現象」に関して招待講演を行った。

30 October 2020

Our paper has been published in Journal of Power Sources:

Leveraging catalytic effects of heterointerfaces through multilayering for superior cathode performance, K. Develos-Bagarinao, R. A. Budiman, T. Ishiyama, K. Yamaji, H. Kishimoto, Journal of Power Sources (IF: 8.247), 2020, 480, 229094

The enhanced HTML version of the article can be accessed here

Journal of Power Sourcesジャーナルに論文が公開されました。HTML版へのアクセスはこちら

1 April 2020

Our paper has been published in Journal of Power Sources:

Evolution of cathode-interlayer interfaces and its effect on long-term degradation, K. Develos-Bagarinao, R. A. Budiman, S. S. Liu, T. Ishiyama, H. Kishimoto, K. Yamaji, Journal of Power Sources (IF: 8.247), 2020, 453, 227894

The enhanced HTML version of the article can be accessed here

Journal of Power Sourcesジャーナルに論文が公開されました。HTML版へのアクセスはこちら

12-20 March 2020

Short-term stay at Imperial College London for international collaboration activities.

国際共同研究のため、インペリアルカレッジロンドンで短期間で滞在した。

12 March 2020

Delivered an invited talk, “Strategies for enhancing oxygen reduction kinetics in SOFC cathodes,” at the international workshop,
“The Power of Interfaces: Fundamentals for Solid State Devices” held at The Royal Society, London, UK.

イギリス・ロンドンの王立協会に開催した国際ワークショップ「The Power of Interfaces: Fundamentals for Solid State Devices」に参加し、「SOFCカソードの酸素還元速度の向上方法」に関して招待講演を行った。

07 July 2019

Attended the 22nd International Conference on Solid State Ionics held at Pyeongchang, Korea last June 16-21, 2019. I gave an oral talk with the title, “Role of interfaces in long-term durability of nanostructured La0.6Sr0.4CoO3-delta thin-film cathodes.”

韓国・平昌で6月16日～21日に開催した22nd International Conference on Solid State Ionicsに参加し、「ナノ構造La_0.6Sr_0.4CoO_3-δ薄膜カソードの長期耐久性に与える界面の影響」に関して口頭発表を行った。

28 March 2019

Our paper has been published in Physical Chemistry Chemical Physics:

Oxygen Surface Exchange Properties and Surface Segregation Behavior of Nanostructured La_0.6Sr_0.4Co_0.2Fe_0.8O_3-δ Thin Film Cathodes, K. Develos-Bagarinao, J. De Vero, H. Kishimoto, T. Ishiyama, K. Yamaji, T. Horita, and H. Yokokawa, Physical Chemistry Chemical Physics, 2019, 21, 7183 – 7195

The enhanced HTML version of the article can be accessed here

PCCPジャーナルに論文が公開されました。HTML版へのアクセスはこちら

27 March 2019

Attended the 2019 Spring Meeting of the Electrochemical Society of Japan held at Kyoto University on March 27, 2019. I gave an oral presentation with the title, “Factors affecting performance of nanostructured La_0.6Sr_0.4CoO_3-δ thin-film electrodes.”

3月27日に京都大学吉田キャンパスで開催した2017年電気化学会秋季大会に参加し、「ナノ構造のLa_0.6Sr_0.4CoO_3-δ薄膜電極の性能に影響する要因」に関して口頭発表を行った。

29 September 2018

Attended the European Materials Research Society Fall Meeting 2018 held at Warsaw University of Technology, Warsaw, Poland last September 17-21, 2018. I gave an invited talk with the title, “Surface Segregation Behavior and Oxygen Surface Exchange Properties of La_0.6Sr_0.4Co_0.2Fe_0.8O_3-d Thin Film Cathodes.”

ポーランド／ワルシャワのワルシャワ工業大学で9月17日～21日に開催したEuropean Materials Research Society Fall Meeting 2018に参加し、「La_0.6Sr_0.4Co_0.2Fe_0.8O_3-d薄膜電極における表面偏析現象及び酸素表面交換特性」に関して招待講演を行った。

25 August 2018

Attended the International Union of Materials Research Societies – International Conference on Electronic Materials 2018 held at Daejeon, Korea last August 19-24, 2018. I gave an invited talk with the title, “Oxygen surface exchange properties of (La_0.6Sr_0.4)(Co_0.2Fe_0.8)O_3-d thin film cathodes: microstructure and thickness dependence.”

韓国・大田で8月19日～24日に開催したInternational Union of Materials Research Societies – International Conference on Electronic Materials 2018に参加し、「(La_0.6Sr_0.4)(Co_0.2Fe_0.8)O_3-d薄膜電極の酸素表面交換特性：微構造と膜厚依存性」に関して招待講演を行った。

14 August 2018

Our most recent publication,

“Multilayered LSC and GDC: An approach for designing cathode materials with superior oxygen exchange properties for solid oxide fuel cells“

can now be accessed online at Nano Energy

Free download of the article is available for the next 50 days.

最新の論文は、Elsevier出版社のNano Energyでアクセスできるようになりました。

今から５０日間には、無料でダウンロードできますので、ご興味ありましたら是非アクセスしてください。

22 July 2018

Attended the 13th European SOFC & SOE Forum held at Lucerne, Switzerland last July 3-6, 2018. I gave an oral talk with the title, “Multilayered La_0.6Sr_0.4CoO_3-δ and Gd_0.1Ce_0.9O_2-δ thin films with enhanced oxygen surface exchange properties for IT-SOFCs.”

スイス・ルツェルンで7月3日～6日に開催した13th European SOFC & SOE Forum に参加し、「IT-SOFCの酸素表面交換特性が向上した多層構造のLa_0.6Sr_0.4CoO_3-δとGd_0.1Ce_0.9O_2-δ 薄膜」に関して口頭発表を行った。

2 March 2018

Attended the Fuel Cell Expo held at Tokyo Big Sight.

31 January 2018

Attended the 42nd International Conference and Expo on Advanced Ceramics and Composites held at Daytona Beach, Florida, USA last January 21-26, 2018. I gave an invited talk with the title, “Probing Interfacial Properties of Heterostructures in Solid Oxide Fuel Cells.”

フロリダ州デイトナビーチで１月２１日～２６日に開催した42nd International Conference and Expo on Advanced Ceramics and Composites に参加し、「固体酸化物形燃料電池におけるヘテロ構造の界面特性の検討」に関して招待講演を行った。

15 December 2017

Attended the 26th SOFC Symposium held at the Science Museum, Tokyo last December 14-15, 2017. I gave an oral presentation with the title, “Enhanced oxygen exchange properties via multilayering of LSC and GDC.”

12月14日～15日に科学技術館サイエンスホールで開催した第26回ＳＯＦＣ研究発表に参加し、「LSC とGDC の積層構造化による酸素交換特性の向上」に関して口頭発表を行った。

11 November 2017

Attended the Fuel Cell Seminar & Energy Exposition 2017 held at Long Beach, California, USA last November 7-9, 2017.

アメリカ　カルフォルニア州ロングビーチで11月7日～9日に開催したFuel Cell Seminar & Energy Exposition 2017に参加してきた。

13 September 2017

Attended the 2017 Autumn Meeting of the Electrochemical Society of Japan held at Nagasaki University last September 10-11, 2017. I gave an oral presentation with the title, “Enhanced oxygen exchange kinetics and diffusion in LSC and GDC multilayers.”

9月10日～11日に長崎大学文教地区キャンパスで開催した2017年電気化学会秋季大会に参加し、「LSCとGDC多層膜における酸素交換反応及び拡散の促進」に関して口頭発表を行った。

2 September 2017

Attended the IUMRS-ICAM 2017 15th International Conference on Advanced Materials held at Kyoto University last August 28-September 1, 2017. I gave an invited talk with the title, “Optimizing cathode microstructure for solid oxide fuel cells.”

京都大学で８月２８日～９月１日に開催したIUMRS-ICAM 2017 15th International Conference on Advanced Materialsに参加し、「固体酸化物形燃料電池のカソード微構造の最適化」に関して招待講演を行った。

01 July 2017

Attended the 21st International Conference on Solid State Ionics (SSI-21) held in Padua, Italy last June 18-23, 2017. I gave an oral presentation with the title, “Enhancement of oxide ionic transport through multilayered nanostructured cathodes.”

イタリア・パドヴァで６月１８日～６月２３日に開催した21st International Conference on Solid State Ionics (SSI-21)に参加し、「多層構造のナノ構造カソードにおける酸化物イオン移動の促進」に関して口頭発表を行った。

29 April 2017

Our paper in Journal of Materials Chemistry A is now available online:

“Elucidating the origin of oxide ion blocking effects at GDC/SrZr(Y)O₃/YSZ interfaces,” Katherine Develos-Bagarinao, Harumi Yokokawa, Haruo Kishimoto, Tomohiro Ishiyama, Katsuhiko Yamaji, and Teruhisa Horita
J. Mater. Chem. A, 2017, Advance Article
DOI: 10.1039/C7TA01589E

25 March 2017

Attended the 2017 Spring Meeting of the Electrochemical Society of Japan held at Minami-Osawa Campus of Tokyo Metropolitan University. I gave an oral presentation with the title, “Suppression of surface segregation on LSCF thin film surfaces.”

首都大学東京南大沢キャンパスに開催した2017年電気化学会春季大会に参加し、「LSCF薄膜表面における表面偏析の抑制」に関して口頭発表を行った。

2016

15 December 2016

Attended the 25th SOFC Symposium at the Science Museum, Tokyo. I gave an oral presentation with the title, “Effect of microstructure and crystalline orientation on oxygen surface kinetics in thin film cathodes for SOFC.”

科学技術館サイエンスホールに開催した第25回　ＳＯＦＣ研究発表に参加し、「SOFC用の薄膜電極の酸素表面反応に及ぼす微構造及び結晶方位の影響」に関して口頭発表を行った。

05 October 2016

Attended the Pacific Rim Meeting on Electrochemical and Solid-State Science (PRiME 2016) at Hawaii Convention Center, Honolulu, Hawaii. I gave an oral presentation with the title, “Elucidating the Origin of Oxide Ion Blocking Effect at GDC/SrZr(Y)O₃/YSZ Heterointerfaces.”

ハワイ・ホノルルで開催したPacific Rim Meeting on Electrochemical and Solid-State Science (PRiME 2016)に参加し、「GDC/SrZr(Y)O₃/YSZヘテロ界面における酸化物イオンブロッキング効果の由来の解明」に関して口頭発表を行った。

06 September 2016

Attended the 2016 Asian SOFC Symposium at The University of Tokyo, Japan. I gave a poster presentation with the title, “Oxide ion blocking effect due to SrZrO₃ formation at cathode‐electrolyte interfaces.”

東京大学で開催した2016 Asian SOFC Symposiumに参加し、「カソードー電解質の界面におけるSrZrO₃形成に起因する酸化物イオンブロッキング効果」に関してポスター発表を行った。

07 July 2016

Attended the 12th European SOFC & SOE Forum at KKL Lucerne, Switzerland. I gave an oral presentation with the title, “Oxide ion blocking effect at SrZrO₃/YSZ and Y-doped SrZrO₃/YSZ interfaces.”

スイス　ルツェルンに開催した12th European SOFC & SOE Forumに参加し、「SrZrO₃/YSZ とY-ドープした SrZrO₃/YSZの界面における酸化物イオンのブロッキング効果 」に関して口頭発表を行った。

01 June 2016

Attended the 229th Meeting of The Electrochemical Society (ECS) at Hilton San Diego Bayfront, San Diego, USA. I gave an invited talk with the title, “Probing Oxide Ion Transport in Fluorite and Perovskite Oxides for Solid Oxide Fuel Cells.”

米国　サンディエゴに開催した229th Meeting of The Electrochemical Society (ECS)に参加し、「固体酸化物形燃料電池に利用する蛍石酸化物及びペロブスカイト酸化物における酸化物イオンの移動の検討」に関して招待講演を行った。

29 March 2016

Attended the 2016 Spring Meeting of the Electrochemical Society of Japan held at Osaka University. I gave an oral presentation with the title, “Microstructural changes in PLD-grown GDC interlayer and its influence on electrochemical properties of LSCF/GDC/YSZ triplets.”

大阪大学に開催した2016年電気化学会春季大会に参加し、「LSCF/GDC/YSZの電気化学特性に及ぼすPLD法で作製したGDC中間層の微構造変化の影響」に関して口頭発表を行った。

25 January 2016

Our paper in Solid State Ionics is now available online:

“Effect of La_0.6Sr_0.4Co_0.2Fe_0.8O_3-δ microstructure on oxygen surface exchange kinetics,” Katherine Develos-Bagarinao, Haruo Kishimoto, Jeffrey De Vero, Katsuhiko Yamaji, and Teruhisa Horita
Solid State Ionics, in press (2016)
DOI: 10.1016/j.ssi.2016.01.008

2015

17 December 2015

Attended the 24th SOFC Symposium at the Science Museum, Tokyo. I gave an oral presentation with the title, “Oxide ion diffusion in SrZrO3 and Y-doped SrZrO3 thin films on YSZ.”

科学技術館サイエンスホールに開催した第２４回　ＳＯＦＣ研究発表に参加し、「SrZrO₃とY-ドープしたSrZrO₃薄膜における酸化物イオンの拡散の検討」に関して口頭発表を行った。

27 November 2015

Attended the 41st Symposium on Solid State Ionics in Japan at Hokkaido University, Sapporo. I gave an oral presentation with the title, “Investigation of the oxide ion transport blocking effect at the SrZrO₃-YSZ and the Y-doped SrZrO₃-YSZ interfaces.”

北海道大学に開催した第41回固体イオニクス討論会に参加し、「SrZrO₃―YSZ及びY-ドープしたSrZrO₃―YSZ界面の酸化物イオンのブロッキング効果の検討」に関して口頭発表を行った。

26 October 2015

Attended the IUMRS International Conference on Advanced Materials (IUMRS-ICAM 2015) at the International Conference Center, Jeju Island, Korea. I gave an invited talk with the title, “Tailoring of (La_0.6Sr_0.4)(Co_0.2Fe_0.8)O_3-d cathode nanostructure for solid oxide fuel cell applications.”

韓国　済州島に開催したIUMRS International Conference on Advanced Materials (IUMRS-ICAM 2015)に参加し、「固体酸化物形燃料電池応用のための(La_0.6Sr_0.4)(Co_0.2Fe_0.8)O_3-dカソードのナノ構造化」に関して招待講演を行った。

12 September 2015

Attended the 2015 Autumn Meeting of the Electrochemical Society of Japan in Saitama Institute of Technology. I gave an oral presentation with the title, “Oxide ionic diffusion barrier at the SrZrO₃/YSZ interface.”

埼玉工業大学に開催した2015年電気化学会秋季大会に参加し、「SrZrO3/YSZ界面における酸化物イオン拡散障壁」に関して口頭発表を行った。

13 August 2015

Site renewal.

31 July 2015

Attended the ECS Conference on Electrochemical Energy Conversion & Storage with SOFC-XIV in Glasgow, Scotland. Presented our work, Annealing-Induced Surface Segregation and SrSO₄ Formation on La_0.6Sr_0.4Co_0.2Fe_0.8O_3–δ Cathodes.

Disclaimer: This is my personal website. All the views and opinions expressed here represent my own and not those of my employer.

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