摘要：【中文】本文提供一种用于锂二次电池的负极和包括该负极的锂二次电池。所述负极包括：负极集电器、形成在所述负极集电器上的第一负极活性材料层、和形成在所述第一负极活性材料层上的第二负极活性材料层。第一负极活性材料层包括两种或更多种负极活性材料，并且第二负极活性材料层包括具有小于第一负极活性材料层的溶胀(swelling)的负极活性材料。 【EN】Provided herein are an anode for a lithium secondary battery and a lithium secondary battery including the same. The negative electrode includes: the negative electrode includes a negative electrode current collector, a first negative electrode active material layer formed on the negative electrode current collector, and a second negative electrode active material layer formed on the first negative electrode active material layer. The first anode active material layer includes two or more anode active materials, and the second anode active material layer includes an anode active material having less swelling than the first anode active material layer.

摘要：【中文】根据本发明，提供了一种催化剂组合物和使用该催化剂组合物制备烯烃聚合物的方法，其中所述催化剂组合物在烯烃聚合反应中显示出高活性，因此可以有助于降低催化剂成本，并显示高的共聚性，因此可以表现出优异的加工性和长期物理性质，因此，适合提供管材用聚合物。 【EN】According to the present invention, there are provided a catalyst composition and a method for preparing an olefin polymer using the same, wherein the catalyst composition exhibits high activity in olefin polymerization reactions, and thus can contribute to the reduction of catalyst costs, and exhibits high copolymerizability, and thus can exhibit excellent processability and long-term physical properties, and thus is suitable for providing a polymer for pipes.

摘要：【中文】本发明涉及一种长寿命且超高能量密度的锂二次电池，根据本发明的锂二次电池包含预锂化负极，在满足150<(负极放电容量/锂二次电池放电容量)×100<300的同时，正极的总不可逆容量大于负极的总不可逆容量，在所述锂二次电池的驱动电压范围内负极相对于锂金属的相对电位为‑0.1V至0.7V，从而使得能够在实现每单位体积的能量密度为800Wh/L以上的同时，即使在500次以上的循环时也能够维持60％以上的容量保持率。 【EN】The lithium secondary battery comprises a prelithiation negative electrode, satisfies 150< (negative electrode discharge capacity/lithium secondary battery discharge capacity) × 100<300, has a positive electrode total irreversible capacity greater than that of the negative electrode, and has a negative electrode relative potential of-0.1V to 0.7V with respect to lithium metal within a drive voltage range of the lithium secondary battery, thereby achieving an energy density of 800Wh/L or more per unit volume and maintaining a capacity retention rate of 60% or more even at 500 or more cycles.

摘要：【中文】本发明涉及一种聚乙烯共聚物，它具有优异的加工性和长期耐久性，因此可用于管等的中空成型。 【EN】The present invention relates to a polyethylene copolymer which has excellent processability and long-term durability and thus can be used for hollow molding of pipes and the like.

摘要：【中文】本发明涉及一种负极活性材料，所述负极活性材料包含：碳质基质，所述碳质基质包含第一粒子和第二粒子，其中所述第一粒子包含：硅核；氧化物层，所述氧化物层设置在所述硅核上并且包含SiO_x(0<x≤2)；和涂层，所述涂层覆盖所述氧化物层的表面的至少一部分并且包含LiF，并且所述第二粒子是鳞片状石墨。 【EN】The present invention relates to an anode active material comprising: a carbonaceous substrate comprising first particles and second particles, wherein the first particles comprise: a silicon nucleus; an oxide layer disposed on the silicon core and comprising SiO_x(0<x is less than or equal to 2); and a coating covering at least a portion of a surface of the oxide layer and comprising LiF, and the second particles are flake graphite.