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Asahi Kasei to Supply Hipore™ Lithium-Ion Battery Separator to Toyota Tsusho

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Asahi Kasei to Supply Hipore™ Lithium-Ion Battery Separator to Toyota Tsusho
News

News

Asahi Kasei to Supply Hipore™ Lithium-Ion Battery Separator to Toyota Tsusho

2025-07-31 20:30 Last Updated At:20:40

TOKYO & NOVI, Mich. & DÜSSELDORF, Germany--(BUSINESS WIRE)--Jul 31, 2025--

Diversified global manufacturer Asahi Kasei and Toyota Tsusho have established a strategic partnership for the supply of automotive lithium-ion battery (LIB) separator in North America. Their respective subsidiaries in the U.S., Asahi Kasei Battery Separator America, LLC (AKBSA) and Toyota Tsusho America, Inc. (TAI), have finalized a capacity rights agreement for AKBSA to supply Hipore™ wet-process LIB separator to TAI.

This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20250731161371/en/

The agreement entitles TAI to a preferential share of AKBSA’s production capacity for Hipore™ LIB separator. Beginning in mid-2027, AKBSA will supply TAI with coated Hipore™ separator from its new coating facility currently under construction in Charlotte, North Carolina.

This partnership allows Asahi Kasei to mitigate the risk of market fluctuations and effectively utilize resources by maintaining high rates of operation. Toyota Tsusho will benefit from a stable supply of LIB separator manufactured at the Charlotte plant as it promotes the establishment of an automotive battery supply chain in North America.

By combining Asahi Kasei's strengths in functional materials and Toyota Tsusho's expertise in mobility, the partnership will accelerate the adoption of high-quality wet-process separator in the North American battery market and facilitate the manufacture of higher-performance electric vehicles.

“This alliance fits perfectly with Asahi Kasei's global growth strategy to build and strengthen a supply chain in North America with our partners and to capture medium- to long-term growth opportunities in the electrified vehicle market,” said Ryu Taniguchi, Lead Executive Officer of Asahi Kasei and responsible for the company’s separator business. “As a supplier of high-quality LIB separator, in partnership with Toyota Tsusho we will build an ecosystem that supports electrification in North America and leads the way to a carbon-neutral future.”

Kazuyuki Urata, COO of Toyota Tsusho’s Circular Economy Division, added, “This collaboration with Asahi Kasei is an important step toward the acceleration of electrification in North America and the realization of a sustainable mobility society. Toyota Tsusho will leverage its global network and expertise in the mobility field to build a highly reliable automotive LIB supply chain, thereby creating a foundation to support the spread of electrified vehicles and the reduction of their environmental impact.”

To support growing demand in North America, Asahi Kasei is currently advancing plans to establish a battery separator facility in Canada, as announced in May 2024. Asahi Kasei’s separator business is positioned for Growth Potential in its medium-term management plan, with a focus on expanding Hipore™ wet-process separator in North America. Developing the Canadian facility alongside its U.S. plants will allow the company to continue building its presence within the growing battery ecosystem in North America.

About Asahi Kasei
The Asahi Kasei Group contributes to life and living for people around the world. Since its foundation in 1922 with ammonia and cellulose fiber business, Asahi Kasei has consistently grown through the proactive transformation of its business portfolio to meet the evolving needs of every age. With more than 50,000 employees worldwide, the company contributes to sustainable society by providing solutions to the world’s challenges through its three business sectors of Healthcare, Homes, and Material. For more information, visit https://www.asahi-kasei.com/.

Asahi Kasei is also dedicated to sustainability initiatives and is contributing to reaching a carbon neutral society by 2050. To learn more, visit https://www.asahi-kasei.com/sustainability/.

About Toyota Tsusho
Toyota Tsusho Corporation was founded in 1948 as the trading company for the Toyota Group. Today, Toyota Tsusho, with approximately 70,000 group employees in about 130 countries, strives to contribute to the creation of prosperous societies. Toyota Tsusho continues to expand as a global leader in vehicle exports and automobile production support. In addition to our long-cultivated mobility-related core business, we intend to accelerate growth investments for our next stage and elevate each of our businesses to a higher dimension, focusing on our seven priority domains: Next Mobility; Renewable Energy & Energy Management; Africa; Circular Economy; Batteries; Hydrogen & Alternative Fuels; and Economy of Life.

Charlotte Plant with new Hipore™ coating line under construction

Charlotte Plant with new Hipore™ coating line under construction

SEOUL, South Korea (AP) — A South Korean court sentenced former President Yoon Suk Yeol to five years in prison Friday in the first verdict from eight criminal trials over the martial law debacle that forced him out of office and other allegations.

Yoon was impeached, arrested and dismissed as president after his short-lived imposition of martial law in December 2024 triggered huge public protests calling for his ouster.

The most significant criminal charge against him alleges that his martial law enforcement amounted to a rebellion, An independent counsel has requested the death sentence over that charge, and the Seoul Central District Court will decide on that in a ruling on Feb. 19.

Yoon has maintained he didn’t intend to place the country under military rule for an extended period, saying his decree was only meant to inform the people about the danger of the liberal-controlled parliament obstructing his agenda. But investigators have viewed Yoon’s decree as an attempt to bolster and prolong his rule, charging him with rebellion, abuse of power and other criminal offenses.

In Friday’s case, the Seoul court sentenced Yoon for defying attempts to detain him and fabricating the martial law proclamation. He was also sentenced for sidestepping a legally mandated full Cabinet meeting, which deprived some Cabinet members who were not convened of their rights to deliberate on his decree.

Judge Baek Dae-hyun said in the televised ruling that imposing “a heavy punishment” was necessary because Yoon hasn’t shown remorse and has only repeated “hard-to-comprehend excuses.” The judge also said restoring legal systems damaged by Yoon’s action was necessary.

Yoon’s defense team said they will appeal the ruling, which they believe was “politicized” and reflected “the unliberal arguments by the independent counsel.” Yoon’s defense team argued the ruling “oversimplified the boundary between the exercise of the president’s constitutional powers and criminal liability.”

Park SungBae, a lawyer who specializes in criminal law, said there is little chance the court would decide Yoon should face the death penalty in the rebellion case. He said the court will likely issue a life sentence or a sentence of 30 years or more in prison.

South Korea has maintained a de facto moratorium on executions since 1997 and courts rarely hand down death sentences. Park said the court would take into account that Yoon’s decree didn’t cause casualties and didn’t last long, although Yoon hasn’t shown genuine remorse for his action.

South Korea has a history of pardoning former presidents who were jailed over diverse crimes in the name of promoting national unity. Those pardoned include strongman Chun Doo-hwan, who received the death penalty at a district court over his 1979 coup, the bloody 1980 crackdowns of pro-democracy protests that killed about 200 people, and other crimes.

Even if Yoon is spared the death penalty or life imprisonment at the rebellion trial, he may still face other prison sentences in the multiple smaller trials he faces.

Some observers say Yoon is likely retaining a defiant attitude in the ongoing trials to maintain his support base in the belief that he cannot avoid a lengthy sentence but could be pardoned in the future.

On the night of Dec. 3, 2024, Yoon abruptly declared martial law in a televised speech, saying he would eliminate “anti-state forces” and protect “the constitutional democratic order.” Yoon sent troops and police officers to encircle the National Assembly, but many apparently didn’t aggressively cordon off the area, allowing enough lawmakers to get into an assembly hall to vote down Yoon’s decree.

No major violence occurred, but Yoon's decree caused the biggest political crisis in South Korea in decades and rattled its diplomacy and financial markets. For many, his decree, the first of its kind in more than 40 years in South Korea, brought back harrowing memories of past dictatorships in the 1970s and 1980s, when military-backed leaders used martial law and emergency measures to deploy soldiers and tanks on the streets to suppress demonstrations.

After Yoon's ouster, his liberal rival Lee Jae Myung became president via a snap election last June. After taking office, Lee appointed three independent counsels to look into allegations involving Yoon, his wife and associates.

Yoon's other trials deal with charges like ordering drone flights over North Korea to deliberately inflame animosities to look for a pretext to declare martial law. Other charges accuse Yoon of manipulating the investigation into a marine’s drowning in 2023 and receiving free opinion surveys from an election broker in return for a political favor.

A supporter of former South Korean President Yoon Suk Yeol shouts slogans outside Seoul Central District Court, in Seoul, South Korea, Friday, Jan. 16, 2026. (AP Photo/Lee Jin-man)

A supporter of former South Korean President Yoon Suk Yeol shouts slogans outside Seoul Central District Court, in Seoul, South Korea, Friday, Jan. 16, 2026. (AP Photo/Lee Jin-man)

Supporters of former South Korean President Yoon Suk Yeol hold signs and flags outside Seoul Central District Court, in Seoul, South Korea, Friday, Jan. 16, 2026. (AP Photo/Lee Jin-man)

Supporters of former South Korean President Yoon Suk Yeol hold signs and flags outside Seoul Central District Court, in Seoul, South Korea, Friday, Jan. 16, 2026. (AP Photo/Lee Jin-man)

A supporter of former South Korean President Yoon Suk Yeol waits for a bus carrying former South Korean President Yoon Suk Yeol outside Seoul Central District Court, in Seoul, South Korea, Friday, Jan. 16, 2026. (AP Photo/Lee Jin-man)

A supporter of former South Korean President Yoon Suk Yeol waits for a bus carrying former South Korean President Yoon Suk Yeol outside Seoul Central District Court, in Seoul, South Korea, Friday, Jan. 16, 2026. (AP Photo/Lee Jin-man)

Supporters of former South Korean President Yoon Suk Yeol hold signs as police officers stand guard outside Seoul Central District Court, in Seoul, South Korea, Friday, Jan. 16, 2026. (AP Photo/Lee Jin-man)

Supporters of former South Korean President Yoon Suk Yeol hold signs as police officers stand guard outside Seoul Central District Court, in Seoul, South Korea, Friday, Jan. 16, 2026. (AP Photo/Lee Jin-man)

Supporters of former South Korean President Yoon Suk Yeol hold signs and flags outside Seoul Central District Court, in Seoul, South Korea, Friday, Jan. 16, 2026. (AP Photo/Lee Jin-man)

Supporters of former South Korean President Yoon Suk Yeol hold signs and flags outside Seoul Central District Court, in Seoul, South Korea, Friday, Jan. 16, 2026. (AP Photo/Lee Jin-man)

Supporters of former South Korean President Yoon Suk Yeol hold signs outside Seoul Central District Court, in Seoul, South Korea, Friday, Jan. 16, 2026. (AP Photo/Lee Jin-man)

Supporters of former South Korean President Yoon Suk Yeol hold signs outside Seoul Central District Court, in Seoul, South Korea, Friday, Jan. 16, 2026. (AP Photo/Lee Jin-man)

A picture of former South Korean President Yoon Suk Yeol is placed on a board as supporters gather outside Seoul Central District Court, in Seoul, South Korea, Friday, Jan. 16, 2026. (AP Photo/Lee Jin-man)

A picture of former South Korean President Yoon Suk Yeol is placed on a board as supporters gather outside Seoul Central District Court, in Seoul, South Korea, Friday, Jan. 16, 2026. (AP Photo/Lee Jin-man)

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