Prior art

The USPTO database confirms that US Patent 12015118 is "Active" and expires on July 1, 2038. The patent is titled "Electrode electrochemical device and electronic device" and was granted on June 18, 2024, from an application filed on March 29, 2022.

A search of the USPTO's public search facility or a review of the patent document itself is necessary to comprehensively identify the "most relevant prior art" and the specific claims they anticipate. The Google Patents link provides a "Citations" section, which lists prior art cited during the examination process. This is the most direct source of information for this request.

Here are the prior art references cited in US Patent 12015118, along with their details and potential claims anticipated:

Cited Prior Art for US12015118:

1. US20020028380A1

• Full Citation: US20020028380A1 (Tanjo)
• Publication Date: March 7, 2002
• Brief Description: This patent application describes a rechargeable lithium battery. The details of its specific electrode structure would need to be reviewed to determine precise overlap, but it generally relates to the field of the claimed invention.
• Potentially Anticipates (35 U.S.C. § 102): Claims 1, 10, and 19 (broadly, due to its nature as a lithium battery electrode). A detailed comparison would be needed to assess specific elements like double-layer active material, particle sizes, and compaction densities.

2. CN1658413A

• Full Citation: CN1658413A (BYD Co., Ltd.)
• Publication Date: August 24, 2005
• Brief Description: This Chinese patent describes a lithium battery positive electrode, its preparation method, and a lithium-ion secondary battery. Given its focus on the positive electrode, it is highly relevant.
• Potentially Anticipates (35 U.S.C. § 102): Claims 1, 7, 8, and 10, potentially others depending on the specifics of its electrode structure, active materials, and layering.

3. US20070026316A1

• Full Citation: US20070026316A1 (Sanyo Electric Co., Ltd.)
• Publication Date: February 1, 2007
• Brief Description: This patent application concerns a non-aqueous electrolyte battery. Its relevance would stem from its disclosure of electrode compositions and structures.
• Potentially Anticipates (35 U.S.C. § 102): Claims 1, 10, and 19, depending on the specifics of its electrode structure and materials.

4. CN201153140Y

• Full Citation: CN201153140Y (Dongguan Maike New Energy Co., Ltd.)
• Publication Date: November 19, 2008
• Brief Description: This Chinese utility model describes a high-safety polymer battery positive electrode. The focus on "high safety" and a positive electrode suggests strong relevance.
• Potentially Anticipates (35 U.S.C. § 102): Claims 1, 7, 8, 10, and potentially 19, especially regarding safety features and electrode design.

5. CN102306777A

• Full Citation: CN102306777A (Guangzhou Yuntong Magnetic & Electric Co., Ltd.)
• Publication Date: January 4, 2012
• Brief Description: This Chinese patent concerns a positive electrode sheet of a lithium iron phosphate type lithium ion battery and its preparation method. The specific material (LFP) could be relevant.
• Potentially Anticipates (35 U.S.C. § 102): Claims 1, 7 (specifically mentions lithium iron phosphate), 10.

6. CN103187576A / CN103187576B

• Full Citation: CN103187576A (Tsinghua University) / CN103187576B (Tsinghua University)
• Publication Date: July 3, 2013 (A) / July 29, 2015 (B)
• Brief Description: Both of these Chinese patents (A and B versions) describe a current collector, an electrochemical battery electrode, and an electrochemical battery. The focus on the current collector and electrode structure is highly pertinent.
• Potentially Anticipates (35 U.S.C. § 102): Claims 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, as it broadly covers electrode components and battery structures. A detailed analysis would be required to determine specific claim elements.

7. CN103258999A

• Full Citation: CN103258999A (Hydro-Quebec)
• Publication Date: August 21, 2013
• Brief Description: This Chinese patent relates to a multi-layer material, its production, and use as an electrode. The "multi-layer" aspect is directly relevant to US12015118's double-layer design.
• Potentially Anticipates (35 U.S.C. § 102): Claims 1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 14, 15, 19, 20, given its multi-layer electrode design. The specific parameters (particle size, compaction density, layer arrangement) would need to be compared.

8. US20140295284A1

• Full Citation: US20140295284A1 (JFE Chemical Corporation)
• Publication Date: October 2, 2014
• Brief Description: This patent application describes a method for producing amorphous carbon particles, amorphous carbon particles themselves, a negative electrode material for a lithium-ion secondary battery, and the battery. While focused on the negative electrode, it contributes to the general knowledge of battery materials and construction.
• Potentially Anticipates (35 U.S.C. § 102): Claims 10 and 19 (as part of an electrochemical/electronic device), and potentially claim 9 if the first material is a negative electrode material.

9. CN104347842A

• Full Citation: CN104347842A (Huawei Technologies Co., Ltd.)
• Publication Date: February 11, 2015
• Brief Description: This Chinese patent describes a composite negative electrode sheet of a lithium-ion secondary battery, its preparation method, and the battery. Similar to the JFE reference, it focuses on the negative electrode.
• Potentially Anticipates (35 U.S.C. § 102): Claims 10 and 19 (as part of an electrochemical/electronic device), and potentially claim 9 if the first material is a negative electrode material.

10. CN105074967A

• Full Citation: CN105074967A (Applied Materials, Inc.)
• Publication Date: November 18, 2015
• Brief Description: This Chinese patent discusses a multi-layer battery electrode design for enabling thicker electrode fabrication. This directly relates to the multi-layer concept in US12015118.
• Potentially Anticipates (35 U.S.C. § 102): Claims 1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 14, 15, 19, 20, particularly concerning multi-layer electrode design and thickness considerations.

11. CN105070882A

• Full Citation: CN105070882A (Yancheng Institute of Technology)
• Publication Date: November 18, 2015
• Brief Description: This Chinese patent describes a lithium-ion battery negative pole piece, its preparation method, and its application. Focuses on the negative electrode.
• Potentially Anticipates (35 U.S.C. § 102): Claims 10 and 19 (as part of an electrochemical/electronic device), and potentially claim 9 if the first material is a negative electrode material.

12. CN105304859A

• Full Citation: CN105304859A (BYD Co., Ltd.)
• Publication Date: February 3, 2016
• Brief Description: This Chinese patent relates to a lithium-ion battery cathode, its preparation method, and a lithium-ion battery containing it. "Cathode" is equivalent to the positive electrode.
• Potentially Anticipates (35 U.S.C. § 102): Claims 1, 7, 8, 10, and potentially 19, given its focus on cathode design and materials.

13. CN107293688A

• Full Citation: CN107293688A (Chengdu Organic Chemistry Co., Ltd., Chinese Academy of Sciences)
• Publication Date: October 24, 2017
• Brief Description: This Chinese patent describes a graphene electrode structure for a lithium-sulfur cell system. While a different battery chemistry (Li-S vs. Li-ion), the general electrode structure could be relevant.
• Potentially Anticipates (35 U.S.C. § 102): Claims 1, 10, and 19, specifically if the first or second material layers involve carbonaceous materials like graphene, and general electrode structure.

Important Note on Anticipation (35 U.S.C. § 102):
To anticipate a claim under 35 U.S.C. § 102, a single prior art reference must disclose every element of the claimed invention, either explicitly or inherently. The above analysis identifies potential anticipation based on the brief descriptions and the general subject matter. A definitive assessment would require a detailed claim-by-claim comparison with the full disclosure of each prior art document. Elements such as specific particle size ranges, compaction densities, and ratios, which are critical to the claims of US12015118, would need to be present in the prior art to establish actual anticipation. Prior art is presumed to be operable and enabling.