Summary
| 12th Int'l Rechargeable Battery Expo - Battery Japan venue |
Smart Energy Week 2021 (Date: March 3 - March 5, 2021, Venue: Tokyo Big Sight) was held in the midst of the ongoing COVID-19 crisis, with the scale of some booths seeing a reduction in size. According to event organizer Reed Exhibitions Japan, the total number of visitors to Smart Energy Week 2021 was 28,345 (over the course of the three days), which was less than the 66,576 visitors in 2019 before the COVID-19 pandemic, but more than the 18,509 visitors in 2020.
This report introduces the electrification (battery) related items on display at Smart Energy Week 2021, focusing on the 12th Int'l Rechargeable Battery Expo - Battery Japan 2021 and the 11th Int'l Smart Grid EXPO.
Related reports:
Smart Energy Week 2021: Electrification-related Technologies (FC edition) (Mar. 2021)
CES 2021: EV and electrification technologies (Feb. 2021)
Automotive World 2021: Electrification Technologies (Feb. 2021)
The Battery Show & EV Tech Digital Days 2020 (Dec. 2020)
Status of All-Solid-State Battery Development for Automotive Applications (Dec. 2020)
MarkLines Online Exhibition 2020: Electrification-Related Technology (Sep. 2020)
Using EVs as storage batteries, and battery sharing services (Apr. 2020)
Smart Energy Week 2020: Electric Vehicle Related Technologies (2) (Mar. 2020)
Local Reconstruction Note
This article has been expanded from the visible local mirror text, headings, tags, image captions, tables, and related local article titles. It is presented as a reconstructed reading version, not as a hidden original document.
Honda: "Honda Mobile Power Pack” portable battery, etc.
The source outline identifies this section as part of “Smart Energy Week 2021: Electrification-related Technologies (Battery edition)”. Based on the available local metadata, this section should be read through the lens of V2H, Nichicon, Mobile Power Pack, Kyoho Machine Works, Honda e, Japanese Suppliers and the visible introduction, figures, captions, and tables.
AZAPA: Converted BEV, Battery Cell Controller
The source outline identifies this section as part of “Smart Energy Week 2021: Electrification-related Technologies (Battery edition)”. Based on the available local metadata, this section should be read through the lens of V2H, Nichicon, Mobile Power Pack, Kyoho Machine Works, Honda e, Japanese Suppliers and the visible introduction, figures, captions, and tables.
JTEKT: High heat-resistant lithium-ion capacitor
The source outline identifies this section as part of “Smart Energy Week 2021: Electrification-related Technologies (Battery edition)”. Based on the available local metadata, this section should be read through the lens of V2H, Nichicon, Mobile Power Pack, Kyoho Machine Works, Honda e, Japanese Suppliers and the visible introduction, figures, captions, and tables.
Musashi Energy Solutions / Fuji Electric Industries: Lithium-ion Capacitor (LIC)
The source outline identifies this section as part of “Smart Energy Week 2021: Electrification-related Technologies (Battery edition)”. Based on the available local metadata, this section should be read through the lens of V2H, Nichicon, Mobile Power Pack, Kyoho Machine Works, Honda e, Japanese Suppliers and the visible introduction, figures, captions, and tables.
Kyoho Machine Works: Battery modules, packs, and parts for electric vehicles
The source outline identifies this section as part of “Smart Energy Week 2021: Electrification-related Technologies (Battery edition)”. Based on the available local metadata, this section should be read through the lens of V2H, Nichicon, Mobile Power Pack, Kyoho Machine Works, Honda e, Japanese Suppliers and the visible introduction, figures, captions, and tables.
Related Local Signals
Nearby records in the local archive include Taipei AMPA 2026: Foxconn’s EV Technology; Smart Energy Week 2026: Batteries and Charging; Electrified Vehicle (xEV) Sales Monthly Report (March 2026); Geely i-HEV Intelligent Hybrid Technology Presentation. These titles can be used as adjacent evidence when comparing suppliers, technologies, markets, and reporting periods.